Arjun buys 3 ink cartridges for his printer. The regular price of each cartridge is $29.95. The cartridge are on sale for 20% off the regular price. What is the total price for the 3 ink cartridge after the discount is taken?

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 : )