3.
The average human heart beats at 72 times per minute. How many times does it beat in
15 seconds? How many in an hour? How many in a day?
Answers
Answered by
2
Answer:
average beats in one minute 72
Step-by-step explanation:
in 15 second => 18
in an hour=> 60 × 72
4320
in a day=> 103680
Answered by
3
Answer:
1min=60sec
in60sec heart beat=72
in1 sec heart beat=72÷60
in15sec heart beat=72÷60×15=18 times
in 1min =72times
in60 min=72×60=4320times
24 hour=1 days
in 1hour=60 min
in 24 hour=60×24=1440min
in 1min=72times
in1440 min=72×1440=103680times
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