EugeneC's answer to rv's Secondary 1 Maths Singapore question.
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Only agree with the first statement. Firstly, you cannot simply add up the total increase in percentage just like what the student did.
26.2%+99.1%≠151%
Additionally, when you want to compare the increase in %, you always take the [difference between the two years divide by the initial value] multiply by 100%. Always divide by the initial value that you can comparing to.
26.2%+99.1%≠151%
Additionally, when you want to compare the increase in %, you always take the [difference between the two years divide by the initial value] multiply by 100%. Always divide by the initial value that you can comparing to.
Date Posted:
4 years ago
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