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primary 6 | Maths | Percentage
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Durkeswaran krishnan
Durkeswaran Krishnan

primary 6 chevron_right Maths chevron_right Percentage chevron_right Singapore

Increase -decrease question

Date Posted: 1 month ago
Views: 18

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Eugenia
Eugenia's answer
17 answers (A Helpful Person)
1st
To answer this question, first find out how many coins makes up 25% of 200 coins.
Next, find out what is 40% of 200 coins.
Lastly, deduct the number of coins Mei Ling already collected (which is the 25%) to get the number of $1 coins she needs to increase the percentage of coins to 40%.