JY Lye's answer to Keiko's Secondary 1 Maths Singapore question.
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Hope this helps! :)
Date Posted:
3 years ago
Why did you divide by 1.3?
It was 100% at 12 pm but at 1pm, since it increased by 30%, so it became 130%. As such, we have to divide by 1.3 to get the original no of customers at 12pm. Hope this clarifies!
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