Respuesta :

Answer:

8 boxes

Step-by-step explanation:

Make an equation

We know each box has 16 cookies and that we want 120 total, but we don't know how many boxes

16x=120

Divide by 16 on both sides

x=7.5

He needs to buy 8 boxes, because if he bought 7, there wouldn't be enough

Hope this helps! :)