Erik spent $1.25 on tickets. He got back 3 quarters in change. How much did Erik give the teller?

Question

I am trying to help a adult with her homework and she don't believe that iam giving her the correct answer.

Answer 1

So the tickets cost $1.25 and he received 3 quarters back. 3 quarters is equal to $.75 so if you add $1.25 and $.75 you get $2.00, so he gave the teller $2.00.