Question
Victoria has twice as many cards as Natalie. After Natalie has bought another 70 cards, Natalie has thrice as many cards as Victoria. How many cards does Natalie have at first?
4 m

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Victoria has twice as many cards as Natalie. After Natalie has bought another 70 cards, Natalie has thrice as many cards as Victoria. How many cards does Natalie have at first?