Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 15 38 to 18 38 = _____ h
- 2:18 p.m. to 6:18 p.m. = _____ h
- 02 00 to 04 11 = _____ min
- 1:11 a.m. to 5:51 a.m. = _____ min
(a)
From 15 38 to 18 38 = 3 h
(b)
From 2:18 p.m. to 6:18 p.m. = 4 h
(c)
From 02 00 to 04 00 = 2 h
From 04 00 to 04 11 = 11 min
From 02 00 to 04 11 = 2 h 11 min
1 h = 60 min
2 h = 2 x 60 = 120 min
2 h 11 min = 120 + 11 = 131 min
(d)
From 1:11 a.m. to 5:11 a.m. = 4 h
From 5:11 a.m. to 5:51 a.m. = 40 min
From 1:11 a.m. to 5:51 a.m. = 4 h 40 min
1 h = 60 min
4 h = 4 x 60 = 240 min
4 h 40 min = 240 + 40 = 280 min
Answer(s): 3, 4, 131, 280