SOLUTION: the area of a rectangke is 525cm^2. find the dimensions of a rectangle if the ratio of the length to the width is 7:3

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Question 298880: the area of a rectangke is 525cm^2. find the dimensions of a rectangle if the ratio of the length to the width is 7:3
Answer by checkley77(12844)   (Show Source): You can put this solution on YOUR website!
7N*3N=525
21N^2=525
N^2=525/21
N^2=25
N=SQRT25
N=5 IS THE RATIO MULTIPLIER.
7*5=35
3*5=15
PROOF:
15*35=525
525=525

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