Terrence was filling the new fish aquariums where he works. He was able to fill 1 and one-third aquariums in 2 and one-half hours. At this rate, how long will it take him to fill 4 aquariums?

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?