Arturo O. answered 05/16/20
Tutor
5.0
(66)
Experienced Physics Teacher for Physics Tutoring
LW = A
L = W + 7
A = 57
(W + 7)W = 57
W2 + 7W - 57 = 0
Solve this quadratic equation using the quadratic formula and get
W = 4.8 ft (with roundoff)