Question

Ken's target heart rate range is 122-139 bpm. His resting heart rate is 73 bpm. What is his age? A. 82 B. 73 C. 65 D. 59

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Ken’s age can be calculated as follows:

  1. xx = maximum target heart range - resting heart rate x=13973=66x = 139 - 73 = 66
  2. y=x÷0.8y = x \div 0.8 y=66÷0.8y = 66 \div 0.8 y=82.5y = 82.5
  3. maximum heart rate =y+= y + resting heart rate =82.5+73= 82.5 + 73 =155.5= 155.5
  4. age =220= 220-maximum heart rate =220155.5= 220 - 155.5 =64.5/65= 64.5 / 65 years old

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