Question
Fabian had 10% as many cards as Paul. After Fabian and Paul bought another 19 cards and 10 cards respectively, Fabian had 60% less cards than Paul. How many cards did Paul have at first?
4 m

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Fabian had 10% as many cards as Paul. After Fabian and Paul bought another 19 cards and 10 cards respectively, Fabian had 60% less cards than Paul. How many cards did Paul have at first?