Mathematics, 03.10.2019 01:30 kiasiab17
Roberts heart beats about 72 times in 60 seconds . how many times does his heart beat in 15 minutes?
Answers: 2
Mathematics, 20.06.2019 18:02, laequity7325
The average human heart beats 72 beats per minute. how many times does it beat in 15 seconds?
Answers: 1
Roberts heart beats about 72 times in 60 seconds . how many times does his heart beat in 15 minutes?...
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