Math
posted by Beau on .
Wildlife biologists catch, tag, and release 32 bears at a game reserve. Later,10 bears are caught and 4 of them have tags. Estimate the total number of bears at the game reserve.
A.320
B.316
C.128
D.80
Is the answer D?

40% of the caught bears are tagged.
So, 32 is 40% of what number?
You are correct. It is 80.