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OpenStudy (anonymous):
Red and grey bricks were used to build a decorative wall. The number of red bricks/number of grey bricks was 5/2. There were 175 bricks used in all. How many red bricks were used? A.25 B.125 C.50 D.35
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OpenStudy (anonymous):
I would let the number of grey bricks be x. Then the number of red bricks is 5x/2. The sum has to be 175
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