On a loading dock, each worker on the night crew loaded 3/4 as many boxes as each worker on the day crew. If the night crew has 4/5 as many workers as the day crew, what fraction of all the boxes loaded by the two crews was loaded by the day crew?
A)1/2
B)2/5
C)3/5
D)4/5
E)5/8
A)1/2
B)2/5
C)3/5
D)4/5
E)5/8
