posted by AR .
1. To determine the number of deer in a game preserve, a conservationist catches 309 deer, tags them and lets them loose. Later,324 deer are caught ; 162 of them are tagged. How many deer are in the preserve?
2. q+9/3 + q-5/5 = 14/3
3. 6/v =9/v -1/11
4. x/x+7 -7/x-7 = x² +49/x² -49
5. y/10 – y/25=1/10