Question
Opal, Gem and Sabrina have 84 erasers. Opal has 34 as many erasers as Gem. Sabrina's erasers is 15 of the total number of Opal's and Gem's erasers. How many erasers must Gem give to Sabrina so that both Opal and Sabrina will have the same number of erasers?
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Opal, Gem and Sabrina have 84 erasers. Opal has 34 as many erasers as Gem. Sabrina's erasers is 15 of the total number of Opal's and Gem's erasers. How many erasers must Gem give to Sabrina so that both Opal and Sabrina will have the same number of erasers?