Question

If someone's heart beats 16 times in 15 seconds, what is their resting heart rate?
16
45
64
80

Answer 1

Answer:

64 BPM

Explanation:

Heart rate is calculated by the number of times a pulse is felt within 15 seconds, multiplied by 4. 16 x 4 = 64

Answer 2

Answer: 64

60seconds/15seconds=4
16*4=64