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30-11-2016
Mathematics

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The are of a rectangle is 525 square centimeters. The ratio of the length to the width is 7: 3. Find the length and the width.

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Аноним Аноним

03-12-2016

I hope this helps you

width 3x

length 7x

3x.7x =525

21.x^2 =21.25

x^2=5^2

x=5

length 7x=7.5 =35

width 3x=3.5=15

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