Pamela is making the legs for a three-legged stool from two pieces of scrap wood. the of the two pieces of wood or 36 5/8 inches and 21 1/8 inches. each leg is 16 1/2 inches long. a) pamela cuts one leg from each piece of wood. write and evaluate twho expressions to show how much of each piece of wood is left over. b) will pamela have enough wood for third leg? explain.