Find the following values without a calculator.
Give your answers in this manner. (Eg 00 10, 15 00, 16 00, 21 00)
- 10 min before 20 57 h = ________ h
- 2 h before 04 11 h = ________ h
- 4 h 46 min before 16 00 h = ________ h
- 2 h 11 min before 12 41 h = ________ h
(a)
10 min before 20 57 h = 20 47 h
(b)
2 h before 04 11 h = 02 11 h
(c)
4 h 46 min before 16 00 h = 11 14 h
(d)
2 h 11 min before 12 41 h = 10 30 h
Answer(s): 20 47, 02 11, 11 14, 10 30