Respuesta :

Easy  1 hour and 50 minutes hope this helps 
So, Lets turn these into Minutes to make this easier. 

2 hrs, 20 min would be 140 min. 
4 hrs, 10 min would be 250 min.

Now subtract 140 from 250. 

250 - 140 = 110 

So, 1 hr and 50 min. :) 
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