Question

The width of a rectangle is 11 inches less than its length. Find the dimensions of the rectangle if the area is 80 square inches.

Answer 1

Answer:
l= 16
w= 5
Explanation:
A= lw where w= l-11
80= l(l-11)
80= l^2 -11l
l^2-11l-80
factor
(l-16) (l+5)
l=16
l=-5