Look at the clock.
- How many minutes does it take for the minute hand to move from number 7 to 9?
- If the clock is 45 min slow, what is the correct time?
- If the clock is 20 min fast, what is the correct time?
(a)
Time that the clock takes for the minute hand to move from number 7 to 9
= 10 min
(b)
45 min after 4.35 a.m. = 5.20 a.m.
Correct time if the clock is 45 min slow is 5.20 a.m.
(c)
20 min before 4.35 a.m. = 4.55 a.m.
Correct time if the clock is 20 min fast is 4.55 a.m.
Answer(s): (a) 10 min; (b) 5.20 a.m.; (c) 4.55 a.m.