sstrike's answer to Raya's Primary 6 Maths Percentage Singapore question.

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sstrike
Sstrike's answer
5566 answers (A Helpful Person)
Raya
Raya
2 years ago
I don’t understand your answer.
Plz tell why we need to multiply by 5 and why used For Yvonne is 100%. Given that Yvonne used 60%
sstrike
Sstrike
2 years ago
Please refer to the added model
LCM(3,5)→15

Please try to understand 3,5 is from where
60%→3
20%→5