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Casey took 25 tests in 135 days. At this rate, in how many days will she take another ten tests?
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Casey took 25 tests in 135 days. At this rate, in how many days will she take another ten tests?

User Jeff Davidson
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2 Answers

4 votes
It will take 54 days for her to take 10 more texts, hope this helps!
User Alina Khachatrian
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8.4k points
5 votes
25/135 = 10/x
Cross multiply:
25 x = 1350
Divide both sides by 25 to get x:
54

User Unwichtich
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