Stephanie wants to make 22.5 qt. of a 20% alcohol solution by mixing together a 6%

alcohol solution and a 36% alcohol solution.

How much of each solution must she use?

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?