SOLUTION: You learn that the gestation period of humans(266 days) is what percent longer than the gestation period of grizzly bears(220 days).

Algebra ->  Percentage-and-ratio-word-problems -> SOLUTION: You learn that the gestation period of humans(266 days) is what percent longer than the gestation period of grizzly bears(220 days).      Log On


   

Question 1036068: You learn that the gestation period of humans(266 days) is what percent longer than the gestation period of grizzly bears(220 days).
Answer by fractalier(6550) About Me  (Show Source):
You can put this solution on YOUR website!
You find this by calculating
%28266-220%29%2F220 = 20.9 % longer