SOLUTION: the perimeter of a rectangle is 243 inches. if its length is three less than thrice its width, what is its length and width?

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Question 479493: the perimeter of a rectangle is 243 inches. if its length is three less than thrice its width, what is its length and width?
Answer by mananth(16946) About Me  (Show Source):
You can put this solution on YOUR website!
let width be x
length = 2x-3
Perimeter = 2(L+W)
243=2(x+2x-3)
243=6x-6
6x=249
x=41.5in the width
2x-3=> 2*41.5-3
Length = 80 in