The ages of two person differ by 20 years. If 10 years ago, the elder one be 5 times as old as the younger one, their present ages(in years) are respectively	Choose the correct choice from the following answers:
A) 30, 10  B) 25, 5  C) 29, 9  D) 35, 15  E) 20,10
Let their ages be x and (x + 20) years.   Then, 5(x - 10) = (x + 20 - 10)   =&gt; 4x = 60   =&gt;x =15   Their present ages are 35 years and 15 year.   ANSWER:35, 15
<result>D</result>
The ages of two person differ by 20 years. If 10 years ago, the elder one be 5 times as old as the younger one, their present ages(in years) are respectively