Question

Lori had $126.89 in her bank account. She deposited $21.49 into it and then wrote a check for her car repairs for $156.61. What was the ending balance in her account?

Answer 1

so given that she had $126,89 and deposited $21,49
so what mean this after deposited how much will have in her bank account ?
and what mean than somebody wrote a check ?