Find the following values without a calculator.
Give your answers in this manner. (Eg 00 10, 15 00, 16 00, 21 00)
- 27 min before 21 47 h = ________ h
- 7 h before 09 56 h = ________ h
- 4 h 36 min before 17 00 h = ________ h
- 4 h 19 min before 21 49 h = ________ h
(a)
27 min before 21 47 h = 21 20 h
(b)
7 h before 09 56 h = 02 56 h
(c)
4 h 36 min before 17 00 h = 12 24 h
(d)
4 h 19 min before 21 49 h = 17 30 h
Answer(s): 21 20, 02 56, 12 24, 17 30