a mixture containing alcohol and water in the ratio 3:2 . if 4 liter of water is added to the mixture , the ratio becomes 3 :4 .Find the quantity of water in the given mixture
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3:2 means 3x:2x where 2x is water
(2x+4)/(5x+4)=4/7........14x+28=20x+16......6x=12...x=2
so qty of water = 2*2=4
(2x+4)/(5x+4)=4/7........14x+28=20x+16......6x=12...x=2
so qty of water = 2*2=4
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