SOLUTION: How much water must be evaporated form 340 pounds of a solution that is 3% alcohol to strengthen it to a solution that is 5% alcohol

Question 805237: How much water must be evaporated form 340 pounds of a solution that is 3% alcohol to strengthen it to a solution that is 5% alcohol
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
How much water must be evaporated form 340 pounds of a solution that is 3% alcohol to strengthen it to a solution that is 5% alcohol
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Equation::
water - water = water
0.97*340 - 1*x = 0.95(340-x)
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97*340 - 100x = 95*340 - 95x
5x = 2*340
x = 2*68 = 136 lbs (amt. of water to evaporate)
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Cheers,
Stan H.
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