Respuesta :

hasanahmad368

Answer:

4 hours and 20 minutes

Step-by-step explanation:

wegnerkolmp2741o

Answer:

4 1/3 hours

Step-by-step explanation:

10:30 to 11:30  1 hour

11:30 to 12:30  1 hour

12:30 to 1:30  1 hour

1:30 to 2:30 1 hour

2:30 to 2:50  20 minutes   20 minutes/60 minutes =  1/3 hour

1+1+1+1 +1/3 = 4 1/3 hours