# SOLUTION: I have a 35% solution and need a 3% solution. How much water do i add to obtain a 3% solution?

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 Question 609880: I have a 35% solution and need a 3% solution. How much water do i add to obtain a 3% solution?Answer by stanbon(57282)   (Show Source): You can put this solution on YOUR website!I have a 35% solution and need a 3% solution. How much water do i add to obtain a 3% solution? ------ Equation: Let x gallons be the amt. of liquid you are starting with. -------- active + active = active 0.35x + 0*y = 0.03(x+y) 35x = 3x+3y 32x = 3y y = 10.67x ------ So, if you started with 1 gallon of 35% solution you should add 10 2/3 gallons of water. =============== Cheers, Stan H. ===============