AC Lim's answer to ST's Primary 5 Maths Whole Numbers Singapore question.
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Date Posted:
1 year ago
Can use fraction method
7 days→ ¾
1 day → ¾÷7 = 3/28
9 days → 3/28 × 9 = 27/28
Left 1/28 → $10
Total received 28/28 = 28×$10 = $280
7 days→ ¾
1 day → ¾÷7 = 3/28
9 days → 3/28 × 9 = 27/28
Left 1/28 → $10
Total received 28/28 = 28×$10 = $280
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