Ms. Richardson is going to make a concrete path that will go along three sides of a rectangular lawn.
She has enough concrete for 175 square feet. She wants to find x, the width, in feet, of the path that would use all of the concrete. This situation is modeled by the equation below.
175 = 45x + x^2
To the nearest hundredth of a foot, what will be the width of the path?
A. 1.96 feet
B. 3.60 feet
C. 4.30 feet
D. 7.20 feet