A, B, C, D, and E are five friends who are arranging a party. A invites B, C invites D, and E invites A. If the invitations are sent in the order of A, C, E, what is the correct sequence of invitations sent?
If A can finish a work in 24 days and B can finish it in 36 days, how long will it take for A to finish the work alone after working with B for 12 days?