With this question show work for and brainliest

First we would need to find how many cubes would fit in each dimension.So we would divide the length, the width, and the height by 1/4.

4 1/2 ÷ 1/4 = 18
5 ÷ 1/4=20
3 1/4 ÷ 1/4 = 13

Then you would multiply 18 times 20 times 13 and get 4,680

The answer is 41.7 because 1.39 times 30 is 41.7