Sophie went to the Dunkin Donuts store and bought 4 boxes of donuts. There were 12 donuts in each box. She gave 1 box to her mom and half a dozen to her sister. How many donuts were left for her? Give me reasons, before answering the question
Sophie has 4 - 1 = 3 boxes of donuts left. The total number of pieces of donuts that she has is 3 x 12 = 36. She gave 12 / 2 = 6 donuts to her sister. Therefore Sophie was left with 36 - 6 = 30 donuts after giving her sister. So the final answer is 30.