Answer:
50 beats per minute
Explanation:
10 bpm = 0.20 × (normal heart rate) . . . . . . . . . . . . 10 bpm is 20% of normal
(10 bpm)/0.20 = (normal heart rate) = 50 bpm . . . . . divide by the coefficient of the variable
The bear's normal heart rate is 50 beats per minute.