Sally painted a picture that has an area of 480 square inches. The length of the painting is 1 1/5 as long as it is wide. What are the dimensions of Sally's painting?
so Length * Width = 480 in. sq. L=1 1/5 or 1.2W substitute the L for 1.2W 1.2W*W=480 in sq divide both sides by 1.2 w*w= 400 W²=400 square root of both sides Width = 20 inches Length= (1.2width) or (20*1.2) Length=24 inches
