A8. Friends Miha and Janez set off on a bicycle ride from Maribor to Ljubljana. Miha starts at 1 PM and cycles at a constant speed of $18 \mathrm{~km} / \mathrm{h}$. Janez sets off one hour later and cycles at a constant speed of $24 \mathrm{~km} / \mathrm{h}$. At what time will Janez catch up with his friend?
(A) At 14. hours
(B) At 15. hours
(C) At 17. hours
(D) At 19. hours
(E) It is impossible to determine
A8. Miha would drive $18 \mathrm{~km}$ every hour, while Janez would drive $24 \mathrm{~km}$ every hour. Janez will catch up with Miha when each of them has driven $72 \mathrm{~km}$. Janez will have driven this much in three hours, which means they will meet at 5 PM.