Crystal has $9 to spend on lunch and an afternoon snack. If lunch costs three times as much as the snack, which inequality best represents the situation if s represents the
money that can be spend on a snack?
A. 3s + s less than or equal to 9
B. 3s greater than or equal to 9
C.3s + s greater than or equal to 9
D. s less than or equal to

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