To determine the number of deer in a game preserve, a conservationist catches 494 deer, tags them and lets them loose. later 463 deer are caught 231 of them are tagged. how many are in the preserve ?

Question

To determine the number of deer in a game preserve, a conservationist catches 494 deer, tags them and lets them loose. later 463 deer are caught 231 of them are tagged. how many are in the preserve ? 
I came up with 494 in the preserve

Ms. Sue · Answer

Nope. Check our previous answers. http://www.jiskha.com/display.cgi?id=1280854582 http://www.jiskha.com/display.cgi?id=1279487432

christy · Answer

I checked the two links and I still do not understand how to calculate it.

christy · Answer

out of 40 problems I am stuck on this one. I am just going to turn it in. Goodnight everyone.