Grayson evaluated 4x2 + 2y for x = 3 and y = 2. 4x2 + 2y = 4(3)2 + 2(2)
122 + 2(2)
144 + (4)
148
What error did Grayson make?

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