2004 AMC 8 第 7 题
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所有题目均经美国数学协会（MAA）官方合法授权使用。
7.
运动员的目标心率（每分钟心跳次数）是理论最大心率的 。最大心率由 减去运动员年龄（岁）得到。一个 岁运动员的目标心率最接近多少？
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?
其他年份的第 7 题
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