Question

While exercising Julie found that her. Heart was beating 12times every 5 seconds how many times was it beating per min

Answer 1

12 times / 5 seconds * (60 seconds / 1 min) = 144 times / min

Answer 2

Answer: 144.

Step-by-step explanation:

Given : While exercising Julie found that her. Heart was beating 12 times every 5 seconds .

Number of times heart  beats in 1 second =$\dfrac{12}{5}$

Since, 1 minute = 60 seconds

Then, Number of times heart beats in 60 second =$\dfrac{12}{5}\times60=144$

Hence, the number of times heart beats in 1 minute = 144.