document.write( "Question 989079: A pharmacist is to prepare 20 ml of a special eye drop for a glaucoma patient the eye drop solution must have a 3 % active ingredient but the pharmacist only has 15% and 2% in stock how much of each type of solution should be used to fill the prescription? \n" ); document.write( "
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A pharmacist is to prepare 20 ml of a special eye drop for a glaucoma patient the eye drop solution must have a 3 % active ingredient but the pharmacist only has 15% and 2% in stock how much of each type of solution should be used to fill the prescription?
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\n" ); document.write( "f = amount of 15%
\n" ); document.write( "t = amount of 2%
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\n" ); document.write( "f + t = 20 (total solution)
\n" ); document.write( "15f + 2t = 3*20 (total active ingredient)
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\n" ); document.write( "solve for f & t
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