2. adding to 20: adrianna has 10 pieces of gum to sharewith her friends. there wasn't enough gum for all herfriends, so she went to the store to get 3 more pieces ofgum. how many pieces of gum does adrianna have now?

Isabelle is mixing red and blue paint to make purple paint she adds 3/10 of a fluid ounce of red to 12/25 of a fluid ounce of blue to make 1 1/30 fluid ounces of purple how many fluid ounces of red paint ounces of red paint will she need to make 3 fluid ounces of purple paint