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A rectangle has length and width in the ratio of 5:9. If the perimeter is 280, what is the length of the rectangle?
12 years ago

Answers

Reiny
let the width be 5x and the length 9x

P = 2l + 2w = 10x + 18x = 28x

28x = 280
x = 10

width is 50, length is 90
12 years ago

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