You have to create a 3 letter password for your school laptop. You have to use the letters A, B, E, Y and Z. You CAN repeat letters. How many possible passwords can you create?

Suppose a store sells an average of 80 cases of soda per day. assume that each case contains 24 cans of soda and that the store is open 10 hours per day. find the average number of soda that the store sells per hour.