Question 20
Anh and Binh leave city A for city B at the same time that Chau and Duy leave B for A. Anh meets Chau after one hour, then meets Duy 12 minutes later. Binh meets Chau two hours after starting. How many minutes after starting does Binh meet Duy?
For this practice question, assume everyone travels continuously at a constant individual speed along the same route.
For this practice question, assume everyone travels continuously at a constant individual speed along the same route.