Mathematics, 30.09.2019 05:50 pr4ever

Jane had several stamps. she gave 10 of them to her friend. afterwards, jane's mom bought her twice as many stamps as she had in the beginning. how many stamps did jane have in the beginning if she now has a total of 50 stamps?

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Jane had several stamps. she gave 10 of them to her friend. afterwards, jane's mom bought her twice...