A maintenance company charges a mall owner $45,000 to clean his 180,000 Square foot shopping mall B. How much should a store of 9200 square feet pay?

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