Problem:
An athlete's target heart rate, in beats per minute, is of the theoretical maximum heart rate. The maximum heart rate is found by subtracting the athlete's age, in years, from . To the nearest whole number, what is the target heart rate of an athlete who is years old?
Answer Choices:
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Solution:
A -year-old's target heart rate is beats per minute. The nearest whole number is .
Answer: .
The problems on this page are the property of the MAA's American Mathematics Competitions