document.write( "Question 1122724: Joy has a solution containing 15% alcohol. How much of this solution and how much water must she use to get 3 liter(s) of a solution containing 10% alcohol? Round your answer to two decimal places off necessary. \n" ); document.write( "
Algebra.Com's Answer #738879 by ikleyn(52848)\"\" \"About 
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document.write( "Let w be the unknown volume of water to add, in liters.\r\n" );
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document.write( "Then the volume of the 15% solution to use is  (3-w) liters.\r\n" );
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document.write( "Your equation is\r\n" );
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document.write( "pure alcohol + pure alcohol = total pure alcohol\r\n" );
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document.write( "0.15*(3-w)   + 0            = 0.1*3,                 or\r\n" );
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document.write( "0.45 - 0.15w = 0.3\r\n" );
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document.write( "0.45 - 0.3 = 0.15w\r\n" );
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document.write( "0.15 = 0.15w  ====>  w = \"0.15%2F0.15\" = 1 liter.\r\n" );
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document.write( "Answer.  1 liter of water and 2 liters of the original 15% alcohol solution is required.\r\n" );
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\n" ); document.write( "\n" ); document.write( "It is a standard and typical mixture problem.\r
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\n" ); document.write( "\n" ); document.write( "For introductory lessons covering various types of mixture word problems see\r
\n" ); document.write( "\n" ); document.write( "    - Mixture problems\r
\n" ); document.write( "\n" ); document.write( "    - More Mixture problems\r
\n" ); document.write( "\n" ); document.write( "    - Solving typical word problems on mixtures for solutions \r
\n" ); document.write( "\n" ); document.write( "    - Typical word problems on mixtures from the archive\r
\n" ); document.write( "\n" ); document.write( "in this site.\r
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\n" ); document.write( "\n" ); document.write( "You will find there ALL TYPICAL mixture problems with different methods of solutions,
\n" ); document.write( "explained at different levels of detalization,  from very detailed to very short.\r
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\n" ); document.write( "\n" ); document.write( "Read them and become an expert in solution mixture word problems.\r
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\n" ); document.write( "\n" ); document.write( "Also,  you have this free of charge online textbook in ALGEBRA-I in this site\r
\n" ); document.write( "\n" ); document.write( "    - ALGEBRA-I - YOUR ONLINE TEXTBOOK.\r
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\n" ); document.write( "\n" ); document.write( "The referred lessons are the part of this textbook in the section \"Word problems\" under the topic \"Mixture problems\".\r
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\n" ); document.write( "\n" ); document.write( "Save the link to this online textbook together with its description\r
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\n" ); document.write( "\n" ); document.write( "Free of charge online textbook in ALGEBRA-I
\n" ); document.write( "https://www.algebra.com/algebra/homework/quadratic/lessons/ALGEBRA-I-YOUR-ONLINE-TEXTBOOK.lesson\r
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\n" ); document.write( "\n" ); document.write( "to your archive and use it when it is needed.\r
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