Respuesta :
The formula "220 - your age" tells about maximum heart rate.
So, option A is correct one.
We can estimate our maximum heart rate based on our age. To estimate maximum age-related heart rate of a person, subtract age of that person from 220. The maximum heart rate is measured in beats per minute. This is traditional method for calculating maximum heart rate of any person. This method is less accurate than HRmax Calculatoor.
Example:
If age of a person is 55 years, the estimated age-related heart rate of that person would be calculated as,
Maximum heart rate = 220 - 55 years = 165 beats per minutes ( bpm)
learn about heart rate
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