Grace baked 4 whole pumpkin pies. She sold 1 whole pumpkin pie and gave 1 whole pumpkin pie to her friend. The remaining whole pumpkin pies were each sliced into 6 pieces. Her family ate 2/3 pieces. How many pieces of pumpkin pie were left? Let's think first. Chain of thought:
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Grace sold and gave a total of 1 + 1 = 2 whole pumpkin pie. Her family was left with 4 - 2 = 2 whole pumpkin pie. There were a total of 2 x 6 = 12 pieces made from the 2 whole pumpkin pie. Her family ate 12 x 2 / 3 = 8 pieces. Therefore, 12 - 8 = 4 pieces of pumpkin pie were left.
Therefore, the answer is 4.
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