Respuesta :

Answer:

Both leave at 4 pm . The next time they will leave at 5:20 pm

Step-by-step explanation:

Taking LCM of 16 and 10

16= 2*2*2*2

10= 2*5

LCM= 2*2*2*2*5=  80

1 hour = 60 mins

80/60= 1 hour 20 minutes

Both leave at 4 pm . The next time they will leave at 5:20 pm