Astudemt is hiring a 3-kilometer race. he runs 1 kilometer every 2 minutes. select the function that describes his distance from the finish line after x minutes. a.f(x)=-1/3x +2b. f(x)=-1/2x +3c. f(x)=1/2x +3d. f(x)=1/3x +2

During the election for class president, 40% of the students voted for kellen, and 60% of the students voted for robbie. 500 students voted in total. how many more students voted for robbie than for kellen? answer with work : )