Here is part of a flight timetable between Edinburgh and London.
| Edinburgh | 0720 | 0830 | 0945 | 1110 |
| Newcastle | 0805 | 0915 | - | 1205 |
| Leeds | 0850 | - | 1055 | - |
| London | 0955 | 1050 | 1155 | 1320 |
A flight leaves Edinburgh at 0830, how many minutes should it take to reach London?
What is the difference, in minutes, between the time it takes for the 0720 flight and the 0830 flight from Edinburgh to reach London?
Aisha lives in Newcastle. She has to get to a meeting in London for 1300. What is the time of the latest flight she can get from Newcastle?
