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To determine her resting heart rate, an athlete counts her pulse for 10 seconds. She counts 9 beats in 10 seconds. What is her resting heart rate in beats per minute 
(bpm) ?

To determine her resting heart rate, an athlete counts her pulse for 1010 seconds. She counts 99 beats in 1010 seconds. What is her resting heart rate in beats per minute (bpm)?

Full solution

Q. To determine her resting heart rate, an athlete counts her pulse for 1010 seconds. She counts 99 beats in 1010 seconds. What is her resting heart rate in beats per minute (bpm)?
  1. Step 11: Determine the time frame: To find the resting heart rate in beats per minute, we need to know how many beats occur in one minute. Since the athlete counts her pulse for 1010 seconds, we need to scale this up to a minute, which is 6060 seconds.
  2. Step 22: Calculate the beats in 6060 seconds: The athlete counts 99 beats in 1010 seconds. To find out how many beats would occur in 6060 seconds, we multiply the number of beats by 66, because 6060 seconds is 66 times longer than 1010 seconds.\newlineCalculation: 99 beats ×6=54\times 6 = 54 beats in 6060 seconds.
  3. Step 33: Determine the resting heart rate: The number of beats in 6060 seconds is the athlete's resting heart rate in beats per minute (bpm).\newlineFinal Answer: The athlete's resting heart rate is 5454 bpm.

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