280minutes
4 hours 40 minutes
4 hours and 40 minutes
280 - 40 = 240 = 4 x 60 Answer: 4 hours 40 minutes
280 minutes ÷ 60 minutes/hour = 4.667 hours (4 hours and 40 minutes)
9 hours and 40 minutes.9 hours and 40 minutes.9 hours and 40 minutes.9 hours and 40 minutes.9 hours and 40 minutes.9 hours and 40 minutes.9 hours and 40 minutes.9 hours and 40 minutes.9 hours and 40 minutes.9 hours and 40 minutes.9 hours and 40 minutes.
8 hours 40 minutes 16:00 - 07:20 = 08:40
2:15am to 4:55am is 2 hours and 40 minutes. 2:15am to 4:55pm is 14 hours and 40 minutes. 2:15pm to 4:55pm is 2 hours and 40 minutes. 2:15pm to 4:55am is 14 hours and 40 minutes.
9 hours and 40 minutes before 4:25am is 6:45pm. 9 hours and 40 minutes before 4:25pm is 6:45am
40 * 60 + 30 = 270
A bacteria splits in half after 20 minutes, so that after 20 minutes there are 2 bacteria, and after 40 minutes there are 4 bacteria. How many bacteria will there be after 2 hours?
280 = 60 + 60 + 60 + 60 + 40 4 hours 40 minutes
4:40