Bryan Yeo's answer to Nur sakinah's Primary 5 Maths Rate & Ratio Singapore question.
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Note:After the sentence i took 4 and 3 multiplied by 5 as it is their difference(which is constant)
This makes (20:15) minus $150= (18:13)
This makes (20:15) minus $150= (18:13)
Date Posted:
6 years ago
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