SOLUTION: HOW MANY OUNCES OF A 40% ALCOHOL SOLUTION MUST BE MIXED WITH 18 OUNCES OF A 45% ALCOHOL SOLUTION TO MAKE A 43% ALCOHOL SOLUTION?

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Question 961625: HOW MANY OUNCES OF A 40% ALCOHOL SOLUTION MUST BE MIXED WITH 18 OUNCES OF A 45% ALCOHOL SOLUTION TO MAKE A 43% ALCOHOL SOLUTION?
Answer by lwsshak3(11628)   (Show Source): You can put this solution on YOUR website!
HOW MANY OUNCES OF A 40% ALCOHOL SOLUTION MUST BE MIXED WITH 18 OUNCES OF A 45% ALCOHOL SOLUTION TO MAKE A 43% ALCOHOL SOLUTION?
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let x=amt of 40% solution must be mixed
40%x+45%*18=43%(x+18)
.40x+8.10=.43x+7.74
.03x=.36
x=12
HOW MANY OUNCES OF A 40% ALCOHOL SOLUTION MUST BE MIXED? 12

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