Durations, start and finish times
"Work forwards and backwards in time," says Ollie. "Count on to the next hour first."
1. Convert: a) 150 min = h min b) 2 days = hours
2. A bush dance runs from 2:40 pm to 4:25 pm. How long is it?
3. Bo starts digging at 10:50 am and digs for 1 hour 35 min. What time does he finish?
4. The friends want to reach the creek by 11:00 am. The walk takes 50 minutes. What time must they leave?
5. Ollie watches the stars from 8:15 pm to 9:05 pm every night for 3 nights. How long does he watch in total?