A case of grape fruit weighs 35 3/4 pounds. Of this weight, 1/8 is not ripe. What is the weight of the grapefruit that are ripe ?

35 + 3/4 = 140/4 + 3/4 = 143/47/8 * 143/4 = 1001/321001/32 ≈ 31.28------------------------------------------Answer:Approximately 31.28 pounds of grapefruits are ripe.