Question
Zoe started jogging from the cinema to the park at a speed of 100 m/min at 5 a.m. Her brother started jogging from the cinema later. They were beside each other at 5.42 a.m. and her brother reached the park at 6 a.m. while Zoe was still 1800 m away. If both of them travelled at a constant speed throughout the journey, what time did her brother leave the cinema?
4 m

Click button first when a symbol is required. X

Zoe started jogging from the cinema to the park at a speed of 100 m/min at 5 a.m. Her brother started jogging from the cinema later. They were beside each other at 5.42 a.m. and her brother reached the park at 6 a.m. while Zoe was still 1800 m away. If both of them travelled at a constant speed throughout the journey, what time did her brother leave the cinema?