Question

9) The ratio of A's age and B's age is 2:3. The ratio of B's age
and C's age is 3 : 1. If sum of the ages of them is 72 years
then what is the sum of A's age and B's age?​

Answer 1

Step-by-step explanation:

Step-by-step explanation:

A+B+C =72

4 years ago

A+B+C = 60

Ratio is 1:2:3

1k +2k +3k = 60

6k = 60

K = 10

Age of A, B, C 4 Years ago are

10,20,30

Therefore,

Present ages of A, B, C

14,24,34

so A+B=38