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15 point ! ~ see if you know the answer to both you!

Michael is training for a marathon. in his first week he plans to run 8miles. what path should he take

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