While exercising Julie found that her heart was beating 12 times every five seconds how many times was it be eating per minute (60 seconds)

Question

Mathematics

Elle Zimmerman

16 April, 02:21

While exercising Julie found that her heart was beating 12 times every five seconds how many times was it be eating per minute (60 seconds)

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Answers (1)

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Alonso Everett · Answer 1

To find her heart rate per minute, set up a proportion.

Let x represent the number of heart beats in a minute.

12/5=x/60

5x=720

5/5x=720/5

X=144

Thus, her heart was beating at a rate of 144 beats per minute.