20/6 = 3 1/3 cases needed.
Given that, how many extra packs will she have?
Mrs. Johnson is buying clay for her 20 art students. She needs 1 pack of clay for each student. There are 6 packs of clay in each case. How many cases does Mrs. Johnson need to buy to have enough clay for all her students? How many extra packs will she have?
2 answers
4 extra packs and 4 cases