document.write( "Question 954350: Hello guys, I need help here :(
\n" ); document.write( "I'm confused by the wording used for this problem: \"A pharmacist has 100 ounces of a solution that is 3.5% iodine and 96.5% alcohol. How much alcohol should the pharmacist add to get a 1.5% iodine solution?\"
\n" ); document.write( "Could you please explain it to me step by step?
\n" ); document.write( "Thank you in advance.
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Algebra.Com's Answer #582849 by macston(5194)\"\" \"About 
You can put this solution on YOUR website!
3.5% of 100 ounces is 3.5 ounces iodine. The question is how much alcohol to add to 3.5 ounces iodine to have a 1.5% solution: 3.5oz/0.015=233.3 ounces. The total solution will be 233.3 ounces and you already have 100 ounces, so you must add (233.3 ounces-100 ounces)=133.3 ounces of alcohol.
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\n" ); document.write( "\"O%5Bp%5D\"=original percentage of iodine; \"O%5Ba%5D\"=original amount of solution;
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\n" ); document.write( "\"F%5Bp%5D\"=desired percentage of iodine; \"F%5Ba%5D\"= amount of alcohol to add
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\n" ); document.write( "Percentages must be in decimal form(i.e. 15%=0.15)
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\n" ); document.write( "\"%28%28O%5Bp%5D%29%28O%5Ba%5D%29%29%2FF%5Bp%5D-O%5Ba%5D=F%5Ba%5D\"
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