In an election, candidate Douglas won 66 percent of the total vote in Counties X and Y. He won 74 percent of the vote in County X. If the ratio of people who voted in County X to County Y is 2: 1, what percent of the vote did candidate Douglas win in County Y?
Choose the correct choice from the following choices:  A) 25 %  B) 30 %  C) 50 %  D) 75 %  E) 80 %

Rationale: given voters in ratio 2 : 1 let x has 200 votersy has 100 voters for x 66 % voted means 74 * 200 = 148 votes combined for xy has 300 voters and voted 66 % so total votes = 198 balance votes = 198 - 148 = 50 as y has 100 voters so 50 votes means 50 % of votes required ans c
Answer: C