Question
Yen and Kylie had an equal number of erasers at first. Yen used 15 of her erasers and Kylie used 16 of her erasers. They used 55 erasers altogether. How many erasers did Kylie have in the end?
4 m

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Yen and Kylie had an equal number of erasers at first. Yen used 15 of her erasers and Kylie used 16 of her erasers. They used 55 erasers altogether. How many erasers did Kylie have in the end?