There are 50 fish in the pond that have tags. you catch 25 fish, and 5 of them have tags. what is the best estimate of the number of fish in the pond?

250

Explanation:

You work this problem by using proportions.

A proportion is the equalization of two ratios.

Here you assume that the ratio of fish with tags to total fish that you catch is the same than the ratio of fish with tags to total fish in the pond.

Mathematically:

Solve for x:

you gotta add the following molecules so we can give u an answer

explanation: