For TV Channel 12, one television programme leads to another without any break in between. How much shorter is the Cooking Show than the Documentary? Give your answer in min.
Programmes | Start times |
Drama | 2.00 p.m. |
Documentary | 2.30 p.m. |
Cooking Show | 3.20 p.m. |
Variety Show | 3.55 p.m. |