Hibernation 80718

The bear weighed 410 kg at the beginning of winter and lost 10 percent during hibernation. He gained 10 percent of his weight from spring to fall. Find out if the bear's weight was greater at the beginning of winter or autumn by what percentage.

Correct answer:

m1 =  369 kg
m2 =  405.9 kg
p =  1 %

Step-by-step explanation:

m=410 kg r1=100%10%=110010=0.9  m1=r1 m=0.9 410=369 kg
r2=100%+10%=1+10010=1.1  m2=r2 m1=1.1 369=104059=405.9=405.9 kg  m2<m
p=100 mmm2=100 410410405.9=1%

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