In an election between two candidates, one got 55% of the total valid votes, 20% of the votes were invalid. If the total number of votes was 6000, the number of valid votes that the other candidate got, was:  Choose the most appropriate option: A) 2800 B) 2700 C) 2160 D) 2200 E) 2300

Rationale: "c number of valid votes = 80 % of 6000 = 4800 . valid votes polled by other candidate = 45 % of 4800 = ( 45 / 100 x 4800 ) = 2160 ."
Answer: C