Jim is now twice as old as Fred, who is nine years older than Sam. Six years ago, Jim was six times as old as Sam. How old is Jim now?  Choose the correct option:
A) 30	B) 34	C) 38	D) 42	E) 46
J = 2F = 2(S+9) = 2S+18   J-6 = 6*(S-6)   (2S+18)-6 = 6S-36   S = 12 and so J = 42   The answer is 42.
<result>D</result>
Jim is now twice as old as Fred, who is nine years older than Sam. Six years ago, Jim was six times as old as Sam. How old is Jim now?