Find the following values without a calculator.
Give your answers in this manner. (Eg 00 10, 15 00, 16 00, 21 00)
- 25 min before 20 31 h = ________ h
- 4 h before 08 33 h = ________ h
- 2 h 44 min before 19 00 h = ________ h
- 1 h 13 min before 18 44 h = ________ h
(a)
25 min before 20 31 h = 20 6 h
(b)
4 h before 08 33 h = 04 33 h
(c)
2 h 44 min before 19 00 h = 16 16 h
(d)
1 h 13 min before 18 44 h = 17 31 h
Answer(s): 20 6, 04 33, 16 16, 17 31