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Mathematics, 20.09.2019 20:30 dhhdjejdjdbdhdne

Jenny starts a game with twice as many marbles as keiko. jenny gives keiko 5 marbles, but she still has 10 more than keiko. how many marbles did jenny have to start with

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Jenny starts a game with twice as many marbles as keiko. jenny gives keiko 5 marbles, but she still...
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