Mrs.Eng bought 4 packs of glue sticks. Each pack has 5 glue sticks. Her class uses 2 of the glues sticks for a project. How many glue sticks are left?

MrsEng bought 4 packs of glue sticks Each pack has 5 glue sticks Her class uses 2 of the glues sticks for a project How many glue sticks are left class=