Question
Nicole and Kylie had an equal number of marbles at first. Nicole used 13 of her marbles and Kylie used 18 of her marbles. They used 99 marbles altogether. How many marbles did Kylie have in the end?
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Nicole and Kylie had an equal number of marbles at first. Nicole used 13 of her marbles and Kylie used 18 of her marbles. They used 99 marbles altogether. How many marbles did Kylie have in the end?