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    How much pure alcohol must a nurse add to 10 cubic centimeters of a 60% alcohol solution to strengthen it to a 90% alcohol solution?

    Question #7768. Asked by crys. (Nov 10 00 9:30 PM)


    MousyDung

    		30cc of 100% alcohol added to 10cc of 60% alcohol will yield 40cc of 90% alcohol. Solve (0.6x10)+(1.0xN)=0.9x(10+N) where N is the amount to add

    Nov 11 00, 11:03 AM



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