The perimeter of a rectangular field is 250 yards. If the length of the field is 69 yards, what is

The perimeter of a rectangular field is 250 yards. If the length of the field is 69 yards, what is its width?

Set up the rectangle perimeter equation:
P = 2l + 2w

For l = 69 and P = 250, we have:
250= 2(69) + 2w
250 = 138 + 2w

Using our equation solver, we get:
w = 56