125% of 9 hours 20 minutes
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9hrs 20 min= 9+20/60 hrs. (as 1hr=60min) 9+1/3 =9.333....≈9.4 125% of 9.4=11.75 hrs 11.75hrs =11+75/100 hrs =11hrs 75×60/100min 11hrs 45 min
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