When it comes to school, most of us have a favorite subject and a least favorite subject.

Interestingly, it always seems as if math is on one side of the coin or the other.

That is why many people find the following math problem so interesting. In reality, it has been around

for many years yet it still continues to be as difficult to solve today as it was when it was first seen.

You need to find out how much money a man makes buys a horse for $60, sells it for $70, buys it back for $80, and sells it again for $90.

Despite the fact that it seems like a simple question, many people struggle with the answer. Why not try it for yourself, and if you are having a problem, you can always check the answer below.

One of the reasons why so many people struggle with this question is because they overcomplicate it. It is always best to keep it simple, and that includes when doing math problems.

We are about to reveal the answer to you. Make sure that you have your answer ready to check before you see the actual answer.

The secret to figuring this out is to consider each transaction separately.

-60 + 70 = 10
-80 + 90 = 10

Every time he sold the horse he made $10, so his overall profit was $20.

How did you do?