SOLUTION: The width of a rectangular swimming pool is 10 meters more than its length. If the area of the pool’s surface is 231 square meters, find the dimensions of the pool.

Algebra ->  Quadratic Equations and Parabolas  -> Quadratic Equations Lessons  -> Quadratic Equation Lesson -> SOLUTION: The width of a rectangular swimming pool is 10 meters more than its length. If the area of the pool’s surface is 231 square meters, find the dimensions of the pool.      Log On


   

Question 1073236: The width of a rectangular swimming pool is 10 meters more than its length. If the
area of the pool’s surface is 231 square meters, find the dimensions of the pool.
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
w width
L length
A area
system%28w=L%2B10%2CA=231%2CwL=A%29

highlight_green%28%28L%2B10%29%2AL=231%29

L%5E2%2B10L-231=0
%28L-11%29%28L%2B21%29=0
highlight%28L=11%29 and highlight%28w=21%29.