Mathematics for IGCSE & O level - Time (Section 3 - No. 32)
Carla set her digital recorder to start recording at 15:20 and to stop at 17:10. For how long was it recording?
1 hour 40 minutes
2 hours 10 minutes
1 hour 50 minutes
1 hour 30 minutes
Giải thích
Calculate the time difference: 17:10 - 15:20 = 1 hour 50 minutes