71/4 hours.
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4 1/4.
A watch loses 2 minutes every 15 hours how much time will it lose in two hours?
it would be 10 hours 15 minutes! 3 hours plus 6 hours is 9 hours 25 minutes plus 50 minutes is 75 minutes, there are 60 minutes in an hour so you have to take 75 minus 60 which leaves you with 15, add the hour onto the 9 hours, gives you 10 hours 15 minutes.
4/15 of a minute
15 hours 20 minutes(920 divided by 60(minutes to an hour) equals 15.33333, 15 hours and a third; a third of an hour is 20 min, 15 hours and 20 minutes.)