The monthly profit of a high-end piano store is 150x – 1,180, where x represents the number of pianos sold. Find the monthly profit if the store sells 1,120 pianos.

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