SOLUTION: the length of the yard is 4 less than 3 times the width of the yard. if the perimeter is 180ft. find the dimensions of the yard.

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Question 326130: the length of the yard is 4 less than 3 times the width of the yard. if the perimeter is 180ft. find the dimensions of the yard.
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
L=3W-4
P=2L=2W
180=2(3W-4)+2W
180=6W-8+2W
180=8W-8
8W=180+8
8W=188
W=188/8
W=23.5 yds.
L=3*23.5-4
L=70.5-4
L=66.5 ans.
PROOF:
180=2*66.5+2*23.5
180=133+47
180=180