Question

PLEASE HELPP

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.
Question content area bottom

Write the equation

Answer 1

There are 12 bottles of water in a full pack.

Explanation:

12

12

12

11

11

9

-------

67