Ruther Teo Zheng's answer to Jody Wong's Primary 6 Maths Ratio Singapore question.

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Ruther Teo Zheng
Ruther Teo Zheng's answer
10 answers (A Helpful Person)
1st
Ratios are proportional possibilities of actual quantities, hence you do not need to know the actual number in order to incorporate ratios into algebraic quantities. This applies to fractions and percentages as well.