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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)

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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3 votes
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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User Roccer
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1 Answer

4 votes
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.
answered
User Mark Szymanski
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7.9k points
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