Find the following values without a calculator.
Give your answers in this manner. (Eg 00 10, 15 00, 16 00, 21 00)
- 13 min before 21 36 h = ________ h
- 4 h before 09 47 h = ________ h
- 1 h 41 min before 12 00 h = ________ h
- 5 h 4 min before 20 58 h = ________ h
(a)
13 min before 21 36 h = 21 23 h
(b)
4 h before 09 47 h = 05 47 h
(c)
1 h 41 min before 12 00 h = 10 19 h
(d)
5 h 4 min before 20 58 h = 15 54 h
Answer(s): 21 23, 05 47, 10 19, 15 54