SOLUTION: The lenght of a rectangular pool is 5 feet less than three times the width. If the perimeter in 198 feet, find the leght and width of the pool.

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Question 520980: The lenght of a rectangular pool is 5 feet less than three times the width. If the perimeter in 198 feet, find the leght and width of the pool.
Found 2 solutions by solver91311, lwsshak3:
Answer by solver91311(24713)   (Show Source): You can put this solution on YOUR website!


If a rectangle with perimeter has a length that is units longer (or shorter if ) than times the width, ,

Then knowing that the Perimeter is given by:

,

make the substitution:



Then solve for







For your problem: , , and . Do the arithmetic.

John

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Answer by lwsshak3(11628)   (Show Source): You can put this solution on YOUR website!
The lenght of a rectangular pool is 5 feet less than three times the width. If the perimeter in 198 feet, find the length and width of the pool.
**
let W=width
3W-5=length
perimeter=2W+2L=198=2W+2(3W-5)=2W+6W-10
198=8W-10
8W=208
W=26
L=3W-5=73
ans:
Width=26 ft
Length=73 ft

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