Question
Fanny had 84 more cards than Penelope at first. Penelope gave 15 of her cards to Fanny. Fanny now has 4 times as many cards as Penelope. How many cards did Penelope have at first?
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Fanny had 84 more cards than Penelope at first. Penelope gave 15 of her cards to Fanny. Fanny now has 4 times as many cards as Penelope. How many cards did Penelope have at first?