# Math

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Your heart bears 240 times in 4 minutes. What is your heart rate in beats per second? Explain

• Math -

You want to know how many beats per second???

• Math -

this is math. not in reality. you have to use a proportion and that's what i need help with.

• Math -

1 min = 60 s

4 min = 4 * 60 = 240 s

240 beats / 240 s = 1 beat / s

• Math -

Children (ages 6-15) 70-100 beats per minute
Adults (age 18 and over) 60-100 beats per minute

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