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primary 5 | Maths | Percentage
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RC
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primary 5 chevron_right Maths chevron_right Percentage chevron_right Singapore

Is it (90-60 ) / 60 x 100% = 50%
Or
Add up all 4 days =270
Then (90-60 ) / 270 x 100% ?

Or neither of the above?

Thanks

Date Posted: 4 years ago
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Kenneth Cheong
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RC
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4 years ago
Thanks! Can i clarify:
Why cant we find % for monday which is 60/270=22.22%
And thurs is 90/270=33.33%
Then take the difference so ans is 11.11%?
Kenneth Cheong
Kenneth Cheong
4 years ago
Because the table shows the number of books read each day and the question is asking the percentage increase of number of books between thursday and monday. Hence, do not need to add up.