The answer is 3. If you set it up in a T table and label x as the number of hours and y as the number of rows. Then use rise over run (y over x) the fractions simplify to 3 over 1.
To get that percentage you just need to divide 1550 by 200p:
1550/2000 = 0.775
Which means that only 77.5% of the students voted
I hope you understood my brief explanation. And please consider marking this awnser as Branliest. Thank you ! :)
Step-by-step explanation: