Question
Cindy and Risa had an equal number of erasers at first. Cindy used 14 of her erasers and Risa used 17 of her erasers. They used 99 erasers altogether. How many erasers did Risa have in the end?
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Cindy and Risa had an equal number of erasers at first. Cindy used 14 of her erasers and Risa used 17 of her erasers. They used 99 erasers altogether. How many erasers did Risa have in the end?