Question:
The timetable below shows the time a bus leaves the bus interchange for the airport.
Gracie wants to catch the bus that leaves at 8.20 a.m. but she is 45 minutes late. What is the earliest time Gracie can arrive at the airport by bus?
Solution:
![P6 / Nan Hua / 2021 / SA2 /
Paper 1 – Q28 [2 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2022/08/P6_SA2_2021_Nan_Hua_Paper1_Q28-Qns.jpg?resize=400%2C260&ssl=1)