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Question

Part 1
To find a​ person's target heart rate in beats per​ minute, follow this procedure. Subtract the​ person's age from​ 220, then multiply this difference by ​60% and ​75%. The difference
multiplied by ​60% gives the lower limit and the difference multiplied by75 ​% gives the upper limit.
Find the target heart rate range of a 59​-year-old.

Answer 1

To find the target heart rate range of a 59-year-old, we need to subtract their age from 220 and then multiply this difference by 60% and 75%.

1. Subtract the age from 220:
220 - 59 = 161

2. Multiply the difference by 60% and 75%:
Lower limit: 161 * 0.60 = 96.6 beats per minute
Upper limit: 161 * 0.75 = 120.75 beats per minute

Therefore, the target heart rate range for a 59-year-old is approximately 96.6 to 120.75 beats per minute.