Mathematics for IGCSE & O level - Time (Section 3 - No. 38)
Sam set his oven to switch on at 3:45 p.m. and switch off at 6:20 p.m. How long was the oven on?
2 hours 45 minutes
2 hours 35 minutes
3 hours 35 minutes
3 hours 25 minutes
解释
Calculate the time difference between 3:45 p.m. and 6:20 p.m.