Question

If it beats 75 times per minute, how many times does your heart beat in 5 hours?

Answer 1

5×60=300mins

1min=75heartbeat

300min=300×75=22500heartbeat

Answer 2

22500

Explanation:

This is because 75 x 60 = 4500 (that gives us the beats per hour)

4500 x 5 = 22500 (that gives us the beats per 5 hour)