Saw Han Xiang's answer to -'s Primary 5 Maths Rate & Ratio Singapore question.
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Solved using ratio
Date Posted:
3 years ago
5u+ 60÷3 = 7u+60÷8
2u = 20-12=8
50u=200 (Ans)
2u = 20-12=8
50u=200 (Ans)
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