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23-01-2024
Health

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Elian measures his resting heart rate (RHR) at 72. His maximum heart rate (HR max) for his age is 207. He wants to work at about 70 percent of his maximum effort. How should Elian find his target heart rate?

A.
Multiply his RHR by 70 and then add his HR max.

B.
Add his RHR to his HR max, multiply the result by 70, and then subtract his RHR.

C.
Subtract his RHR from his HR max, multiply the result by 70, and then add his RHR.

D.
Multiply his HR max by 70 and then subtract his RHR.

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