Kelly is a salesperson at a shoe store, where she must sell a pre-set number of pairs of shoes each month. at the end of each workday, the number of pairs of shoes that she has left to sell that month is given by the equation s = 300 − 15x, where s is the number of pairs of shoes kelly still needs to sell and x is the number of days she has worked that month. what is the meaning of the number 300 in this equation?

a) kelly must sell 300 pairs of shoes per day.
b) kelly must sell 300 pairs of shoes per week.
c) kelly must sell 300 pairs of shoes each month.
d) kelly will sell the pairs of shoes in 300 days.

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