User contributions for RolandWill
12 November 2010
- 05:2905:29, 12 November 2010 diff hist +31 Course:MATH110/Archive/2010-2011/003/Groups/Group 18 →Homework due October 20th, 2010
- 05:2805:28, 12 November 2010 diff hist −4 Course:MATH110/Archive/2010-2011/003/Groups/Group 18 →22-25
- 05:2705:27, 12 November 2010 diff hist −6 Course:MATH110/Archive/2010-2011/003/Groups/Group 18 →21.Sven placed exactly in the middle among all runners in a race. Dan was slower than Sven, in 10th place, and Lars was in 16th place. How many runners were in the race?
- 05:2705:27, 12 November 2010 diff hist −4 Course:MATH110/Archive/2010-2011/003/Groups/Group 18 →20.Of two clocks next to each other, one runs 5 min per hour fast and the other runs 5 min per hour slow. At midnight the clocks show the same time. At what time are they are one hour apart?
- 05:2705:27, 12 November 2010 diff hist −5 Course:MATH110/Archive/2010-2011/003/Groups/Group 18 /* 19. One morning each member of Angela's family drank an eight-ounce cup of coffee and milk, with the (nonzero) amounts of coffee and milk varying from cup to cup. Angela drank a quarter of the total amount of milk and a sixth of the total amount o
- 05:2705:27, 12 November 2010 diff hist −4 Course:MATH110/Archive/2010-2011/003/Groups/Group 18 /* 18. Alice takes one-third of the pennies from a large jar. Then Bret takes one-third of the remaining pennies from the jar. Finally, Carla takes one-third of the remaining pennies from the jar, leaving 40 pennies in the jar. How many pennies were
- 05:2705:27, 12 November 2010 diff hist −4 Course:MATH110/Archive/2010-2011/003/Groups/Group 18 /* 17.The zero point on a bathroom scale is set incorrectly, but otherwise the scale is accurate. It shows 60 kg when Dan stands on the scale, 50 kg when Sarah stands on the scale, but 105 kg when Dan and Sarah both stand on the scale. Does the scale
- 05:2605:26, 12 November 2010 diff hist −4 Course:MATH110/Archive/2010-2011/003/Groups/Group 18 →Audrey Chen
- 05:2605:26, 12 November 2010 diff hist −3 Course:MATH110/Archive/2010-2011/003/Groups/Group 18 →17~21
- 05:2605:26, 12 November 2010 diff hist −11 Course:MATH110/Archive/2010-2011/003/Groups/Group 18 →16. Suppose that each daughter in your family has the same number of brothers as she has sisters, and each son in your family has twice as many sisters as he has brothers. How many sons and daughters are in the family?
- 05:2605:26, 12 November 2010 diff hist −8 Course:MATH110/Archive/2010-2011/003/Groups/Group 18 /* 15. Alex says to you, “I'll bet you any amount of money that if I shuffle this deck of cards, there will always be as many red cards in the first half of the deck as there are black cards in the second half of the deck.” Should you accept his
- 05:2605:26, 12 November 2010 diff hist −4 Course:MATH110/Archive/2010-2011/003/Groups/Group 18 →Roland Will
- 05:2505:25, 12 November 2010 diff hist −3 Course:MATH110/Archive/2010-2011/003/Groups/Group 18 →15-16
- 05:2505:25, 12 November 2010 diff hist −8 Course:MATH110/Archive/2010-2011/003/Groups/Group 18 /* 14 One day in the maternity ward, the name tags for four girl babies became mixed up. (i) In how many different ways could two of the babies be tagged correctly and two of the babies be tagged incorrectly? (ii) In how many different ways could th
- 05:2505:25, 12 November 2010 diff hist −4 Course:MATH110/Archive/2010-2011/003/Groups/Group 18 →13 If a clock takes 5 seconds to strike 5:00 (with 5 equally spaced chimes), how long does it take to strike 10:00 (with 10 equally spaced chimes)?
- 05:2505:25, 12 November 2010 diff hist −4 Course:MATH110/Archive/2010-2011/003/Groups/Group 18 /* 12 A Manhattan fellow had a girlfriend in the Bronx and a girlfriend in Brooklyn. He decided which girlfriend to visit by arriving randomly at the train station and taking the first of the Bronx or Brooklyn trains that arrived. The trains to Brook
- 05:2505:25, 12 November 2010 diff hist −7 Course:MATH110/Archive/2010-2011/003/Groups/Group 18 /* 11 11. A woman, her older brother, her son, and her daughter are chess players. The worst player’s twin, who is one of the four players, and the best player are of opposite sex. The worst player and the best player have the same age. If this is
- 05:2405:24, 12 November 2010 diff hist −4 Course:MATH110/Archive/2010-2011/003/Groups/Group 18 →Sifat Hasan
- 05:2405:24, 12 November 2010 diff hist −3 Course:MATH110/Archive/2010-2011/003/Groups/Group 18 →11-14
- 05:2405:24, 12 November 2010 diff hist −4 Course:MATH110/Archive/2010-2011/003/Groups/Group 18 /* 10.Suppose one-half of all people are chocolate eaters and one-half of all people are women. (i) Does it follow that one-fourth of all people are women chocolate eaters? (ii) Does it follow that one-half of all men are chocolate eaters? Explain. *
- 05:2405:24, 12 November 2010 diff hist −4 Course:MATH110/Archive/2010-2011/003/Groups/Group 18 →9. A rope ladder hanging over the side of a boat has rungs one foot apart. Ten rungs are showing. If the tide rises five feet, how many rungs will be showing?
- 05:2405:24, 12 November 2010 diff hist −4 Course:MATH110/Archive/2010-2011/003/Groups/Group 18 →8. Rueben says "Two days ago I was 20 years old. Later next year I will be 23 years old." Explain how this is possible.
- 05:2305:23, 12 November 2010 diff hist −4 Course:MATH110/Archive/2010-2011/003/Groups/Group 18 →7. Suppose you have 40 blue socks and 40 brown socks in a drawer. How many socks must you take from the drawer (without looking) to be sure of getting (i) a pair of the same colour, and (ii) a pair with different colors.
- 05:2305:23, 12 November 2010 diff hist −4 Course:MATH110/Archive/2010-2011/003/Groups/Group 18 →6. Three kinds of apples are all mixed up in a basket. How many apples must you draw without (without looking) from the basket to be sure of getting at least two of a kind?
- 05:2305:23, 12 November 2010 diff hist −6 Course:MATH110/Archive/2010-2011/003/Groups/Group 18 →Caitlin Lastiwka- Farquharson
- 05:2305:23, 12 November 2010 diff hist −3 Course:MATH110/Archive/2010-2011/003/Groups/Group 18 →6-10
- 05:2305:23, 12 November 2010 diff hist −4 Course:MATH110/Archive/2010-2011/003/Groups/Group 18 →5.Two quarters rest next to each other on a table. One coin is held fixed while the second coin is rolled around the edge of the first coin with no slipping. When the moving coin returns to its original position, how many times has it revolved?
- 05:2205:22, 12 November 2010 diff hist −5 Course:MATH110/Archive/2010-2011/003/Groups/Group 18 →4.I am the brother of the blind fiddler, but brothers I have none. How can this be?
- 05:2205:22, 12 November 2010 diff hist −5 Course:MATH110/Archive/2010-2011/003/Groups/Group 18 /* 3.One of three boxes contains apples, another box contains oranges, and another box contains a mixture of apples and oranges. The boxes are labeled APPLES, ORANGES and APPLES AND ORANGES, but each label is incorrect. Can you select one fruit from
- 05:2205:22, 12 November 2010 diff hist −4 Course:MATH110/Archive/2010-2011/003/Groups/Group 18 →2.A lady did not have her driver's license with her when she failed to stop at a stop sign and then went three blocks down a one-way street the wrong way. A policeman saw her, but he did not stop her. Explain.
- 05:2205:22, 12 November 2010 diff hist −4 Course:MATH110/Archive/2010-2011/003/Groups/Group 18 /* 1.A bus traveled from the terminal to the airport at an average speed of 30 mi/hr and the trip took an hour and 20 min. The bus then traveled from the airport back to the terminal and again averaged 30 mi/hr. However, the return trip required 80 m
- 05:2205:22, 12 November 2010 diff hist −4 Course:MATH110/Archive/2010-2011/003/Groups/Group 18 →Victoria Wall
- 05:2105:21, 12 November 2010 diff hist −3 Course:MATH110/Archive/2010-2011/003/Groups/Group 18 →1-5
- 05:2105:21, 12 November 2010 diff hist +114 Course:MATH110/Archive/2010-2011/003/Groups/Group 18 →Homework due October 20th, 2010
29 October 2010
- 07:5807:58, 29 October 2010 diff hist −4 Course:MATH110/Archive/2010-2011/003/Groups/Group 18 →25. Two candles of length L and L + 1 were lit at 6:00 and 4:30, respectively. At 8:30 they had the same length. The longer candle died at 10:30 and the shorter candle died at 10:00. Find L.
- 07:5807:58, 29 October 2010 diff hist −4 Course:MATH110/Archive/2010-2011/003/Groups/Group 18 →24. Two candles of equal length were lit at the same time. One candle took 6 hr to burn out and the other candle took 3 hr to burn out. After how much time was one candle exactly twice as long as the other candle?
- 07:5807:58, 29 October 2010 diff hist −7 Course:MATH110/Archive/2010-2011/003/Groups/Group 18 /* 23. Suppose you overhear the following conversation: Paul: How old are your three children? Paula: The product of their ages is 36 and the sum of their ages is the same as today's date. Paul: That is not enough information. Paula: The oldest child
- 07:5707:57, 29 October 2010 diff hist −4 Course:MATH110/Archive/2010-2011/003/Groups/Group 18 →Roland Will
- 07:5707:57, 29 October 2010 diff hist −5 Course:MATH110/Archive/2010-2011/003/Groups/Group 18 →22. During a vacation, it rained on 13 days, but when it rained in the morning, the afternoon was sunny, and every rainy afternoon was preceded by a sunny morning. There were 11 sunny mornings and 12 sunny afternoons. How long was the vacation?
20 October 2010
- 10:3710:37, 20 October 2010 diff hist +14 Course:MATH110/Archive/2010-2011/003/Groups/Group 18/Homework October 20th, 2010 →Roland Will's Answers
- 10:3610:36, 20 October 2010 diff hist +14 Course:MATH110/Archive/2010-2011/003/Groups/Group 18/Homework October 20th, 2010 →Roland Will's work
- 10:3010:30, 20 October 2010 diff hist +64 Course:MATH110/Archive/2010-2011/003/Groups/Group 18/Homework October 20th, 2010 →Answers
- 10:2810:28, 20 October 2010 diff hist +1,441 Course:MATH110/Archive/2010-2011/003/Groups/Group 18/Homework October 20th, 2010 →Roland Will
- 07:0207:02, 20 October 2010 diff hist +423 Course:MATH110/Archive/2010-2011/003/Groups/Group 18/Homework October 20th, 2010 No edit summary
- 06:2206:22, 20 October 2010 diff hist +33 Course:MATH110/Archive/2010-2011/003/Groups/Group 18 →I created a page for our homework due tomorrow: http://wiki.ubc.ca/MATH110/003/Groups/Group18HomeworkOctober20th,2010
- 06:2106:21, 20 October 2010 diff hist +9 Course:MATH110/Archive/2010-2011/003/Groups/Group 18 →I created a page for our homework due tomorrow: http://wiki.ubc.ca/MATH110/003/Groups/Group18HomeworkOctober20th,2010
- 06:2006:20, 20 October 2010 diff hist +123 Course:MATH110/Archive/2010-2011/003/Groups/Group 18 No edit summary
- 06:1806:18, 20 October 2010 diff hist +1,455 N Course:MATH110/Archive/2010-2011/003/Groups/Group 18/Homework October 20th, 2010 My (Roland Will's) contribution to the group homework due on the 20th of October 2010
13 October 2010
- 10:4810:48, 13 October 2010 diff hist +2,006 Course:MATH110/Archive/2010-2011/003/Groups/Group 18 No edit summary
- 09:3009:30, 13 October 2010 diff hist +3,136 Course:MATH110/Archive/2010-2011/003/Groups/Group 18 No edit summary