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Question
primary 5 | Maths
| Whole Numbers
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C: 1u
D: 112 - 1u
C to D
C: 1u - 42
D: 112 - 1u + 42 = 154 - 1u
154 - 1u = 3 x (1u - 42)
1u = 70
at first, C has 70
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