# SOLUTION: how many kilograms of water must be added to 10 kg of a 75% antifreeze solution in order to produce a 50% solution?

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 Click here to see ALL problems on Mixture Word Problems Question 236048: how many kilograms of water must be added to 10 kg of a 75% antifreeze solution in order to produce a 50% solution?Answer by stanbon(57940)   (Show Source): You can put this solution on YOUR website! how many kilograms of water must be added to 10 kg of a 75% antifreeze solution in order to produce a 50% solution? ---------------------------------- Let "x" be the amount of water added. Equation: alcohol + alcohol = alcohol 0.75(10) + 0(x) = 0.50(10+x) Multiply thru by 100 to get: 75*10 = 50*10 + 50x 50x = 25*10 x = 5 kg (amount of water needed in the mixture) ==================================================== Cheers, Stan H.