Question

the compound ratio of 3 : 4 and the inverse ratio 4 : 5 is 45 : 2 x find x

Answer 1

compound Ratio=3:4=3/4
Inverse ratio=4:5=4/5
CR/IR=(3/4)÷(4/5)=45/2x
3×5/4×4=45/2x
x=4×4×45/3×5×2
x=8×3
x=24