math
posted by Bank on .
Betty bought 105 ft of fencing to enclose a vegetable garden in her backyard. The garden is to be a rectangle, twice as long as it is wide, with a fence across the middle parallel to the width. What should be the dimension of the garden in feet?

3W + 2L = 3W + 4W = 105
W = 105/7 = 15 ft
L = 30 ft