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?  Choose the correct choice:
A) 10 B) 20 C) 30 D) 40 E) 35
Present age of elder = x   younger= x-16   (x-6)(x-16-6)   x-6-3x-66   2x=60   x=30   ANSWER 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?