Agallon of water weighed 8.354 pounds. simon uses 11.81 gallons of water while taking a shower. about how many pounds of water did simon use?

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