Use a Proportion to Solve the Problem

Multiple Choice

Use a proportion to solve the problem.
-To determine the number of fish in a lake, a park ranger catches 240 fish, tags them, and returns them to the lake. Later, 72 fish are caught, and it is found that 20 of them are tagged. Estimate the number of fish in the lake.

A) 6 fish
B) 345,600 fish
C) 864 fish
D) 67 fish