Alocal grocery store makes a 9-pounds mixture of trail mix. the trail mix contains raisins,

sunflower seeds, and chocolate-covered peanuts. the raisins cost $2 per pound, the

sunflower seeds cost $1 per pound, and the chocolate-covered peanuts cost $1.50 per

pound. the mixture calls for twice as many raisins as sunflower seeds. the total cost of the

mixture is $14.50. how much of each ingredient did the store use?

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