The perimeter of a rectangle is 30 feet. The difference between the length and the width is 1 foot. Find the width.

Respuesta :

the answer is 30 because 30 times 1 equals 30
2x + 2y = 30
x - y = 1

2x + 2y = 30
-2x + 2y = -60

4y = -30
y = 7.5

x = 8


The width would be 7.5 ft.