Question

If A : B=7 : 9 and B : C =6 : 7 ,find A : C​

Answer 1

Answer:

A:B=7:9

B:C=6:7

A:C=?

Now, A:B=7:9

or,

BA = 97 ...(1)

& B:C=6:7

or, CB

= 76...(2)

Multiplying (1) & (2)

BA × CB = 97 × 76

or, CA = 32

or, A:C=2:3