lovableoctopus23 lovableoctopus23

09-11-2017
Mathematics

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a rectangle length is 12 more inches than the width. The perimeter is 7 times the width. What is the rectangle length?

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beaumonte313 beaumonte313

11-11-2017

l = 12 + w
p = 7w
(12 + w) + w + w + (12 + w) = 7w
24 + 4w = 7w
24 = 7w - 4w
24 = 3w
24 ÷ 3 = w
8 = w
l = 8 + 12
l= 20

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