Question

A rectangular shed is fenced with 120 ft long bared wire. If the length of the shed is twice as the width what is the length ?

Answer 1

Length (L): 2w

width (w): w

Perimeter(P) = 2L + 2w

120 = 2(2w) + 2(w)

120 = 4w + 2w

120 = 6w

20 = w

Length (L): 2w = 2(20) = 40

Answer: 40 ft