John is three times as old as Sam. If John will be twice as old as Sam in six years, how old was Sam one years ago? Choose the correct choice from the following choices
A) 2  B) 4  C) 5  D) 8  E) 16
j= 3s   after 6 years   j +6 = 2(s+6)   j= 2s+6   2s +6 = 3s   s= 6   one years ago   s= 6-1= 
<gadget id="calculator">6-1</gadget>
<output>5</output>
5   5 is the answer
<result>C</result>
John is three times as old as Sam. If John will be twice as old as Sam in six years, how old was Sam one years ago?