Problema Solution
When grizzly bears hibernate, their heart rates go down to 10 beats per minute, which is 20% of its normal value.
What is a grizzly bear's normal heart rate when not hibernating?
Answer provided by our tutors
let x represent grizzly bear's normal heart rate when not hibernating
20% of x is 10
0.2x = 10
by solving we find
x = 50 beats per min
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grizzly bear's normal heart rate when not hibernating is 50 beats per minute.