Solve the problem.In a certain state, it is determined that 87% of all registered Republicans vote for Republican candidates, with the remainder voting for Democratic candidates. It is also determined that 84% of all registered Democrats vote for Democratic candidates, with the remainder voting for Republican candidates. The percent of voters predicted to vote for each party in the next election is given by 
= 
where x is the percent of registered Republicans and y is
the percent of registered Democrats. If 
and 
, what percent of voters are predicted to vote for Democratic candidates in the next election? Round your answer to the nearest percent.
A. 54%
B. 84%
C. 87%
D. 46%
Answer: D
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