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[" 34.A box has "100" 'blue balls,"50],[...

[" 34.A box has "100" 'blue balls,"50],[" ted balls,"50" black.balls."25%],[" of blue balls and "50%" of red "],[" balls are taken away.Percent- "],[" age of black balls at present is "],[[" (1) "50%," (2) "25%],[" (3) "33(1)/(3)%," (4) "40%]]

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