During hibernation, a bear loses 20\% of its original mass. After hibernation, its mass is 220\:kg. What was its mass, in kilograms, just before hibernation?
Answer Choices
A. 176
B. 264
C. 240
D. 275
E. 1100
During hibernation, a bear loses 20\% of its original mass. After hibernation, its mass is 220\:kg. What was its mass, in kilograms, just before hibernation?
Answer Choices
A. 176
B. 264
C. 240
D. 275
E. 1100