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Mathematics, 27.10.2020 21:40 Uwa

At a pizza shop, 75% of the customers order a pizza, 20% of the customers order a salad, and 15% 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?
A. 0.80
B. 0.15
C. 0.55
D. 0.95
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