How do you answer the interest problem about math?

Answer 1

The first thing you have to do is read the problem, so that you know what

information it gives you, and you understand what it's asking you.

We need the same facts before we can do anything with it, and you haven't

told us anything.

The only guess we can make from what you've given us is that it's probably

a math problem about interest, not an interest problem about math.