Mathematics, 30.08.2019 20:50, Killakyle4744

Sally and marta had the same number of postcards. after sally sold 18 of her postcards, marta had 4 times as many post cards as sally how many post cards did each girl have begin with?

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Sally and marta had the same number of postcards. after sally sold 18 of her postcards, marta had 4...

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