Pete has 4 packs of gum balls. Each pack has 5 gum balls. If Pete gives the same number of gum balls to 6 friends, how many gum balls will each friend get?

There are a total of 4 packs of gum balls * 5 gum balls per pack = <<4*5=20>>20 gum balls.

Each friend will receive 20 gum balls / 6 friends = <<20/6=3.33>>3.33 gum balls.
Each friend will receive 3 gum balls because 3 < 3.33. Answer: \boxed{3}.