If 72 run on weekends only, and 63 run on both weekends and during the week, that's a total of 72 + 63 = 135 runners. There are a total of 145 runners. 145 - 135 = 10 runners. So, 10 runners only run during the week.
Jancarlo D.
asked • 06/13/17Of 145 runners, 72 run only on weekends and 63 run on both weekends and during the week. How many of the runners run only during the week?
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