SOLUTION: The perimeter of the bottom of a rectangular swimming pool is 110 meters. It's 21 meters wide. How long is it?

Algebra ->  Rectangles -> SOLUTION: The perimeter of the bottom of a rectangular swimming pool is 110 meters. It's 21 meters wide. How long is it?      Log On


   



Question 956789: The perimeter of the bottom of a rectangular swimming pool is 110 meters. It's 21 meters wide. How long is it?
Answer by macston(5194) About Me  (Show Source):
You can put this solution on YOUR website!
P=perimeter=110m; W=width=21m; L=length
P=2(L+W) Divide each side by 2.
P/2=L+W Subtract W from each side.
P/2-W=L Plug in numbers.
110m/2-21m=L
55m-21m=L
34m=L ANSWER: The length is 34 meters.