SOLUTION: The length of a rectangle is 7 less than twice the width. the perimeter is 61. find the dimensions.
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Question 115716
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The length of a rectangle is 7 less than twice the width. the perimeter is 61. find the dimensions.
Answer by
checkley71(8403)
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L=2W-7
P=2L+2W
61=2(2W-7)+2W
61=4W-14+2W
6W=61+14
6W=75
W=75/6
W=12.5 ANSWER.
L=2*12.5-7
L=25-7
L=18 ANSWER.
PROOF
61=2*18+2*12.5
61=36+25
61=61