Melissa had a balance of $104 in her checking account at the beginning of the month. She made one additional deposit of $216 and wrote checks for $78, $119, and $105. What was the balance in her checking account at the end of the month?

Please help me!!

3 answers

What's in???
104+216 = ....

what came out???
78 + 119 + 105 = ...

What's left?
I got positive 18. Is that correct?
I believe the answer is 118. Maybe I could have calculated wrong... Sorry I'm just as confused.