math
posted by heidi on .
The length of a rectangular swimming pool is 15 feet longer than the width. If the perimeter is 82 feet, then what are the length and the width?

w = w
L = w+15
2 w + 2(w+15) = 82
4 w + 30 = 82
4 w = 52
w = 13
L = w+15 = 28