AC Lim's answer to Krystal's Primary 5 Maths Rate & Ratio Singapore question.
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![AC Lim](https://ask.manytutors.com/assets/img/robot9.png)
Your Model is correct. Hope this helps
Date Posted:
10 months ago
Thank you, AC
Yes, got it! Should use 5U - 4U. Thank you, I learn something today!