You have 54 feet of trim for a swimming pool that you are installing. You know that twice the width of the pool is 3 feet more than the length. What is the size of the pool?
To get the size of the pool we proceed as follows: let the width be w the length will be 2w-3 thus given that the perimeter is 54 ft then the dimensions of the pool will be: P=2(L+W) thus 54=2[(2w-3)+w] 54=2(3w-3) 54=6w-6 54+2=6w hence 60=6w w=10
