Danielle earns a 7.75% commission on everything she sells at the electronics store where she works. She also earns a base salary of $700 per week. What were her sales last week if her total earnings for the week were $1,017.75?

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?