Question

A heart beats 81 beats per minute. How many beats is that per

second?
a) 1.35 beats per second
b) 1.55 beats per second
с) 0.92 beats per second
d) 2 beats per cond

Answer 1

a.1.35 beats per second

Explanation:

81/60=27/20 or 1.35

Answer 2

1.35 beats per minute. A

Explanation:

81/60=1.35 beats