The ages of two persons differ by 16 years. 6 years ago, the elder one was
3 times as old as the younger one. What are their present ages of the elder person?
Select the correct option
A) 10 B) 20 C) 30 D) 40 E) 50
Let present age of the elder person =x and   present age of the younger person =x−16   (x−6)=3(x−16−6)   x−6=3x−66   2x=60   x=60/2= 
<gadget id="calculator">60/2</gadget>
<output>30</output>
30 Answer: Option 30
<result>C</result>
The ages of two persons differ by 16 years. 6 years ago, the elder one was
3 times as old as the younger one. What are their present ages of the elder person?