Aperson's heartbeat is 68 beats per minute. if his/her heart beats 3.1e9 times in a lifetime, how long (in whole years) does the person live? disregard leap years.

The person has lived 87 years long life.

Explanation:

Rate of the heart beat of the person = 68 beats/min

Let the age of the person be X.

Total heart beats in his X years of life =

X = 45,588,235.29 min

1 year = 365 days

1 day = 24 hours

1 hours = 60 mins

1 year = 365 × 24 × 60 min  = 525,600 min

The person has lived 87 years long life.

the answer would be c

the cold front replaces the warmer air at the ground level changing the wind to be breezy and denser.there is also an immediate drop in the temperature.