7 years
First of all, half of 18 is 9, and if you divide 18 by 2.5, it results in 7.2. I hope this helps!
Candidate X won 63 out of the 100 "votes" of the poll participants.
So candidate X won 63% of the votes in the poll.
This means that candidate X is expected to win the elections by a percentage close to 63%.
63% of the voters is (63/100)*5000=63*50=3150 voters
Answer: 3150
