Page 144 - New Medley 4 Semester 2 PDF (Merged)
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(b) 500 min = 480 min + 20 min
= (480 ÷ 60) h + 20 min
= 8 h 20 min
(c) 5000 s = (5000 ÷ 60) min = 83 min 20 s
Again, 83 min = (83 ÷ 60) h = 1 h 23 min
∴ 5000 s = 1 h 23 min 20 s
83 min
60 5 0 0 0
– 4 8 0 1 h
2 0 0 60 8 3
– 1 8 0 – 6 0
2 0 s 2 3 min
EXERCISE 4.1
A. Match the clocks showing the same time.
1. (a)
2. (b)
3. (c)
4. (d)
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