Which problems can be solved by performing this multiplication? 3/4×24

Select each correct answer.

Matthew has 24 inches of green ribbon and 3/4 inch of yellow ribbon. How much ribbon does he have in all?

Kiki had 24 marbles. She put 3/4 of the marbles in a jar. How many marbles did she put in the jar?

There were 24 questions on a test. Three-fourths of the questions were science questions. How many questions were science questions?

Aisha baked 24 muffins. She gave 3/4 of the muffins to her friends. How many muffins does she have left?