Clara made some chili with 1/2 of a can of black beans and 9 cans of pinto beans. How many cans of beans did Clara use in all?​

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