He sold 78 boxes because there are a total of 312 Girl Scout cookies and each box had 4 and so you divide 312/4 and you get 78 boxes.
Given:
Each box has 4 cookies.
312 Girl Scout cookies in total.
Sooo confusing bro so sry
Answer:
26
Step-by-step explanation:
-13+13=0
0+13=13
13+13=26