document.write( "Question 1127834: Two different mixtures of gasoline are available, one with 5% alcohol by volume and the other containing 12% alcohol. How many litres of the 12% mixture must be added to 765 L of the 5% mixture to produce a mixture containing 9%alcohol? \n" ); document.write( "
Algebra.Com's Answer #744302 by ikleyn(52781)![]() ![]() You can put this solution on YOUR website! . \n" ); document.write( " \r\n" ); document.write( "Let x = \"How many litres of the 12% mixture must be added to 765 L of the 5% mixture to produce a mixture \r\n" ); document.write( "containing 9% alcohol\" is the value under the question.\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "Then your equation is\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "0.12x + 0.05*765 = 0.09*(x+765).\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "saying that the sum of amounts of the pure alcohol in ingredients is equal to that in the mixture.\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "Simplify and solve for x.\r\n" ); document.write( "\r \n" ); document.write( "\n" ); document.write( "------------------\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "It is a standard and typical mixture problem.\r \n" ); document.write( " \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 \n" ); document.write( " \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 \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Read them and become an expert in solution mixture word problems.\r \n" ); document.write( " \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 \n" ); document.write( " \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 \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Save the link to this online textbook together with its description\r \n" ); document.write( " \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 \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "to your archive and use it when it is needed.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |