The school is having a bake sale and the pep squad is selling cookies. On one ticket they sold four chocolate chip cookies and five oatmeal cookies for $26. On another ticket they sold four chocolate chip cookies and two oatmeal cookies for $20. Which system of equations below can be used to determine the price of a chocolate chip cookie and the price of an oatmeal cookie? Let x represent the cost of a chocolate chip cookie, and let y represent the cost of an oatmeal cookie. OA. 4x + 4y = 26 5x + 2y = 20 OB. 8x + 7y = 46 8x - 7y = 46 OC. 4x + 5y = 26 4x + 2y = 20 OD 4x + 4x = 32 5y + 2y = 14​

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