Question

a:b=4:9,a:c=2:3, then (a+b):(a:c) is​

Answer 1

Answer:

Step-by-step explanation:

A : B A : C

4 : 9 2 : 3

B : A : C

9 : 4

2 : 3

=> 18 : 8 : 12

(A + B) : (B + C)

=> (18 + 8) : (18 + 12)

26 : 30

13 : 15

Hope it helps you..