HELPPP? How do I figure this out?

Toyland is having a sale. all items are 20% off. how much will you save on an item that usually sells for 95$ explain your

George has seven boxes of five pencils. giulio three boxes of eight pencils. one of the boys arranges all his pencils equally into two groups. was this george or giulio how many are in each group explain

Math it's appreciated. (picture provided)