SOLUTION: how much alcohol in pints must be added to 80 pints of a solution of alcohol and iodine that is 20 percent iodine in order to produce a 15 percent solution of iodine
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Question 470282: how much alcohol in pints must be added to 80 pints of a solution of alcohol and iodine that is 20 percent iodine in order to produce a 15 percent solution of iodine
Answer by nerdybill(7384) (Show Source): You can put this solution on YOUR website!
how much alcohol in pints must be added to 80 pints of a solution of alcohol and iodine that is 20 percent iodine in order to produce a 15 percent solution of iodine
Let x = amount of alcohol (pints) added
then
.20(80) = .15(80+x)
16 = 12+.15x
4 = .15x
4/.15 = x
26.67 pints = x
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