Sally has a discount card that reduces the price of her grocery bill in a certain grocery store
by 5%. if c represents the cost of sally's groceries, which expression represents sally's
grocery bill?
a. 0.050
b. 0.950
c. c-0.05
d. c+0.95

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?