Bryan is putting fencing around his new rectangular vegetable garden. He uses 140ft of fencing material. How wide is the garden?

Ther is a rectangular diagram that shows the bottom number is 40ft

Perimeter = 2L + 2W

140 = 2 * 40 + 2W

140 = 80 + 2W

60 = 2W

30 = W

140=80+2w