joel1223 joel1223

16-11-2016
Mathematics

contestada

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

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sophielehman sophielehman

16-11-2016

18 times 4 = 72 Both started with 72 Martha sold more

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