SOLUTION: The formula for the perimeter of a rectangle is P=2L+2W,where L is the length and W is width. A rectangle has a perimeter of 24 inches.find its dimensions if its length is 3 inches
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Question 161451: The formula for the perimeter of a rectangle is P=2L+2W,where L is the length and W is width. A rectangle has a perimeter of 24 inches.find its dimensions if its length is 3 inches greater than its width.
Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
L=W+3
2(W+3)+2W=24
2W+6+2W=24
4W=24-6
4W=18
W=18/4
W=4.5 FOR THE WIDTH
L=4.5+3=7.5 FOR THE LENGTH.
PROOF:
2*4.5+2*7.5=24
9+15=24
24=24
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