A computer store buys a computer system at a cost of $487.20. The selling price was first at $ 812, but then the store advertised a 30 % markdown on the system. Answer parts a and b.
a. Find the current sale price.
The sale price is $
568.4.
(Round to the nearest cent as needed.)
b. Members of the store's loyalty club get an additional 10% off their computer purchases. How much do club members pay for the computer with their discount?

The krasnapolski is a top-of-the-line hotel in amsterdam, the netherlands. among their many services, they rent bicycles to guests. the bicycle checkout is open 24 hours per day 7 days per week and has 50 bicycles on hand. on average, 10 guests request a bicycle each day, arriving completely randomly at all times of the day during the spring and summer seasons. guests keep bicycles for four days on average, with a standard deviation of two days. how long does a guest on average have to wait for a bike? a. approximately 24 hours b. approximately 0.033 hours c. approximately 4 days d. approximately 47 minutes