Question

if A:B 2:3,B:C=4:5 AND C:D = 6:7 FIND A:D​

Answer 1

Step-by-step explanation:

A/B = 2/3 --(1) ,B/C = 4/5 --(2)

multiply (1) and (2) , we get

A/C = 8/15 --(3)

C/D = 6/7 ----(4)

multiply (3) and (4) , we get

A /D = 48/105

A/ D = 16/35

this implies that

A : D = 16: 35 ans