Question

A and B are friends............​

Answer 1

Step-by-step explanation:

Let ages of A be x and B be y

x-y =2...(1)

D's age be 2x

C's age be y/2

2x - y/2 = 40

4x - y/2 = 40

4x -y = 80....(2)

1 - 2

-3x = -78

x = 26

y = 24

A = 26

B = 24