In one day, Juan sends Keith three times as many messages as he sends Laurence, and Laurence sends Missy 2 times as many messages as he receives from Juan. If Missy received 18 messages from Laurence, how many messages does Keith receive from Juan?  Choose the correct choice from the following answers:
A) 3  B) 12  C) 16  D) 27  E) 56
Juan --&gt; Laurence = x messages;   Juan --&gt; Keith = 3x messages (Juan sends Keith three times as many messages as he sends Laurence);   Laurence --&gt; Missy = 2x =18 (Laurence sends Missy 2 times as many messages as he receives from Juan).   2x =18 --&gt; x = 9 --&gt; 3x = 27.   Answer: 27.
<result>D</result>
In one day, Juan sends Keith three times as many messages as he sends Laurence, and Laurence sends Missy 2 times as many messages as he receives from Juan. If Missy received 18 messages from Laurence, how many messages does Keith receive from Juan?