michellefrazier michellefrazier

03-03-2017
Mathematics

contestada

create and equation: Rachel works at a bookstore. On Tuesday, she sold twice as many books as she did on Monday. On Wednesday she sold 6 fewer books than she did on Tuesday. During the three days Rachel sold 19 books

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sarzpappas sarzpappas

10-03-2017

Let x be monday, y be tuesday and z be wednesday

x = 2y
z = 2y - 6
x + y + z = 19

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