A man is 18 years older than his son. In two years, his age will be twice the age of his son. The present age of this son is
Choose the correct choice:
A) 21 years  B) 22 years  C) 23 years  D) 12 years  E) 16 years
Explanation:   Let's Son age is x, then Father age is x+18.   =&gt; 2(x+2) = (x+18+2)   =&gt; 2x+4 = x+20   =&gt; x = 16 years   Option 16 years
<result>E</result>
A man is 18 years older than his son. In two years, his age will be twice the age of his son. The present age of this son is