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Julie has 12 postcards from London. This is 30% of her collection. How many postcards does she have in her collection?
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Julie has 12 postcards from London. This is 30% of her collection. How many postcards does she have in her collection?

User Kalmar
by
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1 Answer

5 votes

=> 30% means 0.30
=> "of"means "times"

So you can write (0.30) times (collection) = 12

Divide each side by 0.30 : Collection = (12) / (0.3) = 40


User Amrith Raj Herle
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