What is the solution to the system of equations?
(-6, -2)
(-2, 6)
(6, 2)
(-2, -6)​

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