Science:Math Exam Resources/Courses/MATH152/April 2015/Question B 1 (a)/Hint 1

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Express the three statements (1) "All together they owe $600", (2) "Duo owes $200 more than Uno", and (3) "Uno and Duo combined owe as much as Traea" as equations in , , and first. For instance, (1) may be expressed as .