Mathematics, 07.10.2020 08:01, towlesam

Suppose that from a group of 30 athletes, 17 compete in a 100-meter race, 8 compete in a 200-meter race, and 4 compete in both races. How many athletes don't compete in either of the
two races?

Answers: 2

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Suppose that from a group of 30 athletes, 17 compete in a 100-meter race, 8 compete in a 200-meter...