Pete makes 15 dollars an hour. He spends 25 dollars a day on transportation and food. Write an expression to describe his spending and earnings in a day, where h is the number of hours that Pete works that day

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