SOLUTION: Need help putting the following into an equation and then solve: The perimeter of a rectangular pool is 140 yards. If the length is 20 yards less that twice the width, find the

Algebra ->  Percentage-and-ratio-word-problems -> SOLUTION: Need help putting the following into an equation and then solve: The perimeter of a rectangular pool is 140 yards. If the length is 20 yards less that twice the width, find the      Log On


   

Question 623987: Need help putting the following into an equation and then solve:
The perimeter of a rectangular pool is 140 yards. If the length is 20 yards less that twice the width, find the length and width.
Thank you.
Answer by solver91311(24713) About Me  (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 . All measurements in yards. Do the arithmetic.

John

My calculator said it, I believe it, that settles it
The Out Campaign: Scarlet Letter of Atheism