Question

A rectangular lot is 7 yards shorter than it is wide

and its area is 60 square yards. Find the
dimensions of the lot

Answer 1

Explanation:

l = w-6

w-6 * w = 60

w^2 - 6w - 60 = 0

w^2 - 12w + 5w - 60=0

w(w-12)+5(w-12) = 0

(w+5) (w-12) = 0

w = -5

w=12

since width can't be negative, its 12 yds

length = 5 yds