Before a baseball game, a hot dog stand sold 9 hot dogs. During the game, the stand sold some hot dogs. The hot dog stand sold a total of 58 hot dogs before the game and during the game. How many hot dogs were sold during the game?
hot dogs

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