Respuesta :

Answer:

8.

60 * 2 + 30 = 150km

225 - 150 = 75km

50km/h  and  75km, so 1.30h

1.30 + 2.30 + 0.10 = 4.10h

Im not very good at english so I dont know how to explain...

9.

1.30 - 47 = At 12.43

The answer is 4.10h

Hope this helps!!