document.write( "Question 390889: A pharmacist needs 500 milliliters of a 10% phenorbarbital solution. She only has 5% and 25% solutions available. How many milliliters of each solution should she mix to obtain the desired solution? \r
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Algebra.Com's Answer #277241 by robertb(5830)![]() ![]() You can put this solution on YOUR website! 0.05*x + 0.25*(500 - x) = 0.10*500; \n" ); document.write( "0.05x + 125 - 0.25x = 50; \n" ); document.write( "-0.20x = -75; \n" ); document.write( "x = 375 milliliters of the 5% solution, and \n" ); document.write( "500 - x = 125 milliliters of the 25% solution. \n" ); document.write( " \n" ); document.write( " |