sstrike's answer to CJ's Primary 6 Maths Percentage Singapore question.
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2D model method
Key
20% → ¼
25% → ⅕
LCM → 4 , 5 → 20
20 untis is the total allowance
Key
20% → ¼
25% → ⅕
LCM → 4 , 5 → 20
20 untis is the total allowance
Date Posted:
3 years ago
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