Nathan is working on building a bookshelf. He purchased an 6-foot piece of board from Home Depot. He wants to cut 1/4-foot pieces from the 6-foot board. How many 1/4 pieces can be cut from the 6-foot piece of board?

At a pizza shop 70% of the customers order a pizza 25% of the customers order a salad and 15% of the customers order both a pizza and a salad if s customer is chosen at random what is the probability that he or she orders either a pizza or a salad