Respuesta :

Step-by-step explanation:

A TV programme starts at 8:40 pm. If it is ninety minutes long, at what time does it finish?

10:10 pm

Answer:

Starts at 8:40 pm

Ends in 90 minutes

Now,

         8:40

        +90(1:30 pm)

        =9:70pm

        =10:10pm

Step-by-step explanation: