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There are nine water bottles in​ Devin's refrigerator. He adds three full boxes of water bottles to the refrigerator. Then he adds two more boxes that each has 1 fewer bottle than a full box. When he is​ done, there are 67 bottles in the refrigerator. Write and solve an equation to find the number of bottles in a full box.
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Write the equation

Respuesta :

Answer:

There are 12 bottles of water in a full pack.

Step-by-step explanation:

12

12

12

11

11

9

-------

67

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