Hi there! To find the answer to this question, all you have to do is divide by 2. When it comes to dividing fractions, you keep, change flip. Keep 3 3/4 (15/4) the same, change division into multiplication, and flip 2/1 into 1/2. Multiply across. 15/4 * 1/2 is 15/8 or 1 7/8 in mixed fraction form in simplest form. Jerry had 1 7/8 quarts of milk left in the refrigerator. The answer is C: 1 7/8 quarts.