Question

When a grizzly bear hibernates it's heart rate drops to 10 bpm which is 20% of its normal value what is a grizzly bear is normal heart rate when not hibernating

Answer 1

The normal heart rate of the bear is 50 bpm

Explanation:

20% of the normal rate (let's assign the letter 'x' to this) is 10 bpm.

So we can write the equation:

`0.2\,*\,x =10\\x=(10)/(0.2) \\x=50`