Question

Kira's heart beats 72 times per minute when she is at rest. If Kira remains at rest,
how many times would her heart beat in one hour? Explain how you found your
answer.

Answer 1

The number of times Kira's heart in one hour is equal to 4,320 beats.

Given the following data:

• Heartbeat rate = 72 times per minute.

• Time = 1 hour.

To calculate the number of times Kira's heart in one hour:

How to solve a word problem.

In this exercise, you're require to determine how many times Kira's heart would beat in one hour. Thus, we would first of all convert the value of time in hour to minutes and then multiply the number of times her heart beats at rest by this new value of time.

Conversion:

1 hour = 60 minutes.

For the number of heartbeats:

$Heartbeats = 72 \times 60$

Heartbeats = 4,320 beats.

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