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OpenStudy (anonymous):
The table shows numbers with the ratio x : y. Find the missing number. x 1 15 225 y 4 ? 900 A. 30 B. 60 C. 80 D. 90
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OpenStudy (anonymous):
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OpenStudy (anonymous):
the ratio is the same for each entry. so 4/1 = 900/225 = y/15
OpenStudy (anonymous):
solve y/15 =4
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