Which problems can be solved by preforming this multiplication?

3/4 x 24
Select EACH correct answer.↓
A. Aisha baked 24 muffins. She gave 3/4 of the muffins to her friends. How many muffins does she have left?
B. There was 24 questions on a test. Three fourths of the questions were science questions. How many questions were science questions?
C. Matthew has 24 inches of green ribbon and 3/4 inch of yellow ribbon. How much ribbon does he have in all?
D. Kiki has 24 marbles. She put 3/4 of the marbles in a jar. How many marbles did she put in the jar? Than you please answer. You will get 20 points Please answer.