Question
Penelope, Usha and Gabby have 330 erasers. Penelope has 56 as many erasers as Usha. Gabby's erasers is 15 of the total number of Penelope's and Usha's erasers. How many erasers must Usha give to Gabby so that both Penelope and Gabby will have the same number of erasers?
4 m

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Penelope, Usha and Gabby have 330 erasers. Penelope has 56 as many erasers as Usha. Gabby's erasers is 15 of the total number of Penelope's and Usha's erasers. How many erasers must Usha give to Gabby so that both Penelope and Gabby will have the same number of erasers?