Question

Sarah's nurse counted 18 beats in her pulse in 15 seconds. At this rate, how many beats would she have in 60 seconds?

Answer 1

Answer:

72 beats per 60 second

Step-by-step explanation:

18 x 4 = 72

multiplied by 4 , because 15 sec x4=60 seconds

could also 18/15=1.2 beats per sec

1.2*60=72