The compound ratio of 5:6, 3:4 and 4:5? Choose the correct choice from the following choices.
A) 1:1
B) 1:87
C) 1:6
D) 1:9
E) 1:2
5/6 * 3/4 * 4/5 = 1/2   1:2   Answer: 1:2
<result>E</result>
The compound ratio of 5:6, 3:4 and 4:5?