Question

I have 10 dollars and my brother has 25 dollars. How much will I have if he gives me 15 dollars?

Answer 1

you will have 25 dollars 10+15=25

Answer 2

25-15 = 10 (What your brother has once he gives you 15)

10+15 = 25 (What you have when he gives you 15)

So the final answer is 25.