In a mayoral election, Candidate X received 1/3 more votes than candidate Y, and Candidate Y received 1/7 fewer votes than Z. If Z received 21,000 votes how many votes did candidate X received?  Choose the most appropriate option:
A) 18000
B) 22000
C) 24000
D) 26000
E) 32000
Z=21 --&gt; Y received 1/7 fewer votes than Z --&gt; Y=Z-1/7*Z=18;   X received 1/3 more votes than Y --&gt; X=Y+1/3*Y=24.   Answer: 24000.
<result>C</result>
In a mayoral election, Candidate X received 1/3 more votes than candidate Y, and Candidate Y received 1/7 fewer votes than Z. If Z received 21,000 votes how many votes did candidate X received?