SOLUTION: the perimeter of a rectangle is 76m. the length is 4m. less than 5 times the width. find the dimensions

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Question 349795: the perimeter of a rectangle is 76m. the length is 4m. less than 5 times the width. find the dimensions
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
L=5W-4
2L+2W=76
2(5W-4)+2W=76
10W-8+2W=76
12W=76+8
12W=84
W=84/12
W=7 ANS. FOR THE WIDTH.
L=5*7-4=35-4=31 ANS. FOR THE LENGTH.
PROOF:
2*31+2*7=76
62+14=76
76=76