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Question
primary 6 | Maths
| Measurement
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This question is about money .(I think!)
nos:
20c: 18
value
20c: 360
at first
total: 30
10c: 1u
20c: 30 - 1u
value
10c: 10u
20c: 600 - 20u
total = 600 - 10u
600 - 10u = 360
1u = 240/10 = 24
at first, 24 10c-coins
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