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

Casey took 25 tests in 135 days. At this rate, in how many days will she take another ten tests?
asked 154k views
4 votes
Casey took 25 tests in 135 days. At this rate, in how many days will she take another ten tests?

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User Jeff Davidson
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8.7k points

2 Answers

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

answered
User Unwichtich
by
8.1k points
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