AC Lim's answer to Royston Lee's Primary 5 Maths Fractions Singapore question.
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Hope this helps
Date Posted:
1 year ago
Yup I just solved it too using algebra but I was using the ratio of 5/3 instead, but same same. Any way to solve this without algebra? I can’t seem to find a way.
Understand if use 1 algebra, u is acceptable for P6. Unless using 2 algebra x and y in secondary school.
I see. The answer key somehow figured out this by doing:
45/5=9
9*19=171
Any idea how to get 19 units?
45/5=9
9*19=171
Any idea how to get 19 units?
Use the difference remain same.
Mean 5u → 45 cm²
Mean 5u → 45 cm²
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