Question 983603
155 hours*60 minutes/hour is 9300 minutes, so the total will be 9350 minutes.

10 a.m. to 5 p.m is 7 hours
9:30 a.m. is 2.5 hours to noon and another 5 hours to 5 p.m. or 7.5 hours.

That is 14.5 hours
14.5*60=870, and the units are minutes

hours* min/hour=min.