Answer: The answer is 78 balls in 13 boxes.
Explanation:
Hi, to solve this problem we have to analyze the information given:
If we have 12 balls in 2 boxes, that means that we have 6 balls en each box.
Mathematically speaking:
So, if we have 78 balls, we have to divide 78 by 6 to obtain the number of boxes.
The answer is 78 balls in 13 boxes.
Feel free to ask for more if it´s necessary or if you did not understand something.