SOLUTION: what is the length and width of a rectangle if the length is 12 more than the width and the perimeter is 7 times the width?
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Question 223212: what is the length and width of a rectangle if the length is 12 more than the width and the perimeter is 7 times the width?
Answer by rfer(16322) (Show Source): You can put this solution on YOUR website!
P=2w+2l
7w=2w+2(w+12)
7w=4w+24
3w=24
w=8
l=w+12=20
P=7w=56
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