Bob's heart rate is 72 beats per
minute.
1. if this is his average heart rate,
how many times will his heart
beat in 25 years?
2. if bob's heart beat 604,800 times,
how many days in decimal form
would have elapsed?
3. if bob's heart beat 747,533 times,
how much time has elapsed?
give your answer in days, hours
and minutes. (round to the
nearest minute.)

how do i do it?