Question

On the average your heart beats about 72 times per minute. At this rate, about how many times will it beat: a) in a 30-day month; b) in a year; c)in your lifetime, if you live to 72 years of age?

Answer 1

72 beats per min x (60 min/hr) x (24 hrs/day) x (30 days/month) = ?? beats/month.
The others are done similarly.

Answer 2

51,840