At a certain restaurant, 30 percent of the servers reported their tips, while 40 percent of the servers who were tipped didn't report their tips. What percent of the servers were tipped?
Choose the correct choice from the following answers:
A) 30% B) 60% C) 50% D) 70% E) 80%
Statement: 30% of Servers (S) Reported their Tips (RT). Of the servers who were tipped (T) 40% didn't report their tips (notRT). [Note: A Venn Diagram is useful to visualize the problem.]   Solution: Sample space is 100%.   S = 100%   RT/S = 30%   notRT/T = 40% =&gt; 100% - 40% =&gt; RT/T = 60%   T/S = (30)/(60)% = 50%   Answer: 50%
<result>C</result>
At a certain restaurant, 30 percent of the servers reported their tips, while 40 percent of the servers who were tipped didn't report their tips. What percent of the servers were tipped?