Ages of two persons differ by 4 years. If 3 years ago, the elder one was 3 times as old the younger one, find their present age	Choose one: A) 5,9 B) 14,18 C) 16,20 D) 18,22 E) 19,23
Explanation:   Let the age of the younger person be x,   Then the elder person's age is (x+4)   =&gt; 3(x-3) = (x+4-3) [3 years before]   =&gt; 3x-9 = x+1   =&gt; x = 5.   So the elder person's age is x + 4 = 9   5,9nswer: Option 5,9
<result>A</result>
Ages of two persons differ by 4 years. If 3 years ago, the elder one was 3 times as old the younger one, find their present age