Explain simply why 28 is the correct answer to: Steve is building a bench for the playground and needs 6 lengths of wood that measure 4 feet and 2 lengths of wood that measure 2 feet. How many feet of wood does Steve need to buy?. Explanation:
Steve needs 6 lengths of 4 feet of wood or 6 x 4 = 24 feet of wood. He also needs 2 lengths of 2 feet of wood or 2 x 2 = 4 feet of wood. Altogether, Steve needs 24 feet of wood + 4 feet of wood = 28 feet of wood.