Mathematics for IGCSE & O level - Time (Section 1 - No. 22)
How many hours is 12.76 hours?
12 hours 76 minutes
12 hours 45 minutes
12 hours 30 minutes
12 hours 46 minutes
解释
12.76 hours = 12 hours + 0.76 hours * 60 minutes/hour = 12 hours 45.6 mins rounded to 46 mins