A) 16 years
B) 12 years
C) 14 years
D) 6 years
Correct Answer: B
Solution :
(b): x = son?s age; y = father?s age \[x+y=2(y-12)\]??????????(1) \[(x+9)+(y+9)=3(y-14)\]??????.(2) Solve to get x.You need to login to perform this action.
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