Question
Eva and Abi had an equal number of marbles at first. Eva used 15 of her marbles and Abi used 19 of her marbles. They used 56 marbles altogether. How many marbles did Abi have in the end?
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Eva and Abi had an equal number of marbles at first. Eva used 15 of her marbles and Abi used 19 of her marbles. They used 56 marbles altogether. How many marbles did Abi have in the end?