Qing Qing bought 6 homework books, each for 1.45 yuan. I can buy 3 notebooks with the money of 6 homework books, and I have

  
notebooks per book. Qing Qing bought 6 homework books, each of which is 1.45 yuan. Buying 6 homework books can buy 3 books











6×1.45÷3= 2.9

Notebook 2.9 yuan per book

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