Question 446767: a plumber need four lengths of pipe,each 3 feet 6 inches long. pipes are sold by the foot how many feet does he need to buy? Answer by jorel1380(3719) (Show Source):
You can put this solution on YOUR website! Assuming the plumber can cut the lengths of piping he can use, he needs:
4x3.5=14 ft. of piping to begin with..