3. Sarah is baking cookies to sell at a fundraiser. She puts 3 cookies in each bag. There are 11 cookies left. Write the number of cookies left as a mixed number and an improper fraction.

4. Tammy is making casserole for her family. She cuts each casserole into 10 pieces. There are 15 pieces left. Write the number of casserole(s) left as a mixed number and an improper fraction.