The ages of 2 persons differ by 18 years. If 12 years ago the elder one be 6 times as old as the younger one, find the present age of elder person.	Select the correct option:  A) 33.6  B) 47  C) 50.4  D) 52.4  E) 47.9
age of the younger person = x   age of the elder person = x+18   6(x-12) = x+18-12   x= 15.6   age of elder person = 15.6+18= 
<gadget id="calculator">15.6+18</gadget>
<output>33.6</output>
33.6   33.6nswer is 33.6
<result>A</result>
The ages of 2 persons differ by 18 years. If 12 years ago the elder one be 6 times as old as the younger one, find the present age of elder person.