Question

A cat's heart beats approximately 45 times in 15 seconds. At this rate how many times does the cat's heart beat per second?

Answer 1

3 heartbeats per sec.

Explanation:

Number of heartbeats / Total time will give the rate or number of heartbeats per sec.

• 15 s = 45 heartbeats
• Then, 1 s = 45/15 = 3 heartbeats! (ans)