document.write( "Question 1150072: A paint that is contains 21% green dye is mixed with another that is 15% green dye. If you need 60
\n" ); document.write( "gallons of 19% green dye, how much of each should you use? Hint: the problem only tells you one variable \n" ); document.write( "

Algebra.Com's Answer #771437 by ikleyn(52790) $\"\"$ $\"About$

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document.write( "With one variable . . . \r\n" );
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document.write( "Let x be the amount of the 21% mixture, in gallons.\r\n" );
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document.write( "Then the amount of the 15% mixture is (60-x) gallons.\r\n" );
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document.write( "Then the balance equation is\r\n" );
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document.write( "    0.21x + 0.15*(60-x) = 0.19*60.\r\n" );
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document.write( "From the equation, express \"x\" and calculate\r\n" );
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document.write( "    x =  = 40.\r\n" );
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document.write( "ANSWER.  40 gallons of the 21% mixture and (600-40) = 20 gallons of the 15% mixture.\r\n" );
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document.write( "CHECK.  0.21*40 + 0.15*20 = 11.4 = 0.19*60.    ! Correct !\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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