Epstein family is making 11 gift baskets for a charity auction. Mrs. Epstein has already completed 4 1/3 baskets and Mr. Epstein has completed 1.5 baskets. How many more baskets need to be made?

What type of problem is this? How can you tell?

1.a part-whole problem because Mr. Epstein has made part of the amount Mrs. Epstein has made

2.a part-whole problem because the unmade part of the 11 baskets is unknown

3.a comparison problem because the number of completed baskets is compared to the number of unmade baskets

4.a comparison problem because the number of baskets Mrs. Epstein has completed is compared to the number Mr. Epstein has completed