32.85+24.30= $57.15 is the amount needed to buy the jacket and mitten
he has saved 45
so 57.15-45=12.15
he needs 12.15 more dollars
For an estimation, we round these numbers.
32.85 rounds up to 33
and 24.30 rounds down to 24
33+24=57
57-45=12
he needs around $12
so the correct answer is A