Tong Woei Horng's answer to Lionel's Primary 5 Maths Rate & Ratio Singapore question.

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Tong Woei Horng
Tong Woei Horng's answer
385 answers (Tutor Details)
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Lionel
Lionel
5 years ago
Thanks. But is there a way to solve without using simultaneous equation? P5 hasn't learned it yet.