At a pizza shop, 80% of the customers order a pizza, 15% of the customers order a salad, and 10% of the customers order both a pizza and a salad. if a customer is chosen at random, what is the probability that he or she orders either a pizza or a salad?

0.85

Step-by-step explanation:

Let A be the event that the customer orders a pizza and B be the event that the customer orders a salad.

Then , we have

Now, the probability that he or she  orders either a pizza or a salad is given by :-

Hence, the required probability = 0.85

answer: i think the answer is etheir c or d but i don't know which one but have a good day!

step-by-step explanation: