Question 718118
A=2B
J=A-7 OR 2B-7
A+B+J=38
(2B)+B+(2B-7)=38
5B-7=38
5B=38=7
5B=45
B=45/5
B=9 AGE OF BOBBY.
A=2*9=18 AGE OF AHMAD.
J=18-7=11 AGE OF JOHN.
PROOF:
18+9+11=38
38=38