It takes 96 tiles to fill a 2-foot by 3-foot rectangle. how many tiles would it take to fill a 4-foot by 6-foot rectangle?

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