In college, you earn credits for courses taken. for each semester, tuition at a local college is $2400, plus $184 per credit. you have financial aid that will cover $5,160 for the semester. how many credits can you take without spending any of our own money?

Einstein office equipment has a rental plan for office machines. a fax machine that lists for $722.98 can be rented for 22% of the price annually. the state imposes a usage charge of 3.2%. if stephen hawking travel decides to rent the fax machine, what will its total monthly rental charge be?