Science:Math Exam Resources/Courses/MATH152/April 2017/Question B 01 (b)/Statement

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Three engineering students, Xiuying, Arjan, and Marianne decide to take a summer job painting homes. Xiuying paints three times as fast as Marianne and twice as fast as Arjan and Marianne combined. All three together paint a room in four hours.

(b) Write the system you found above in augmented matrix form.