document.write( "Question 376359: a pharmacist wishes to prepare 30ml 0f a 20% alcohol solution. She has 30% solution and 10% percent solution in her stock. How much of each should she use in forming the desired mixture? \n" ); document.write( "
Algebra.Com's Answer #267796 by robertb(5830)![]() ![]() You can put this solution on YOUR website! 0.30x + 0.10(30 - x) = 0.20*30, \n" ); document.write( "0.30x + 3 - 0.10x = 6, \n" ); document.write( "0.20x = 3, \n" ); document.write( "x = 15 ml, the amount 30% alcohol solution, and \n" ); document.write( "30- x = 15 ml, the amount of 10% alcohol solution. \n" ); document.write( " |