michealsfamily
17.09.2019 •
Mathematics
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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Ответ:
=> "of"means "times"
So you can write (0.30) times (collection) = 12
Divide each side by 0.30 : Collection = (12) / (0.3) = 40
Ответ:
It should be
Step-by-step explanation:
Let me know if you want the full explanation. Have a great day! ❤