Question
Tom had 25% as many cards as Ethan. After Tom and Ethan bought another 7 cards and 2 cards respectively, Tom had 50% less cards than Ethan. How many cards did Ethan have at first?
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Tom had 25% as many cards as Ethan. After Tom and Ethan bought another 7 cards and 2 cards respectively, Tom had 50% less cards than Ethan. How many cards did Ethan have at first?