document.write( "Question 1122997: How much 10% solution and how much 65% solution should be mixed together to make 100 gal of 35% solution?\r
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Algebra.Com's Answer #739210 by josgarithmetic(39617) $\"\"$ $\"About$

You can put this solution on YOUR website!
x of 10%
\n" ); document.write( "y of 65%\r
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\n" ); document.write( "\n" ); document.write( " $\"system%28x%2By=100%2C%2810x%2B65y%29%2F100=35%29\"$ \r
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\n" ); document.write( "\n" ); document.write( " $\"2x%2B13y=100%2A7\"$ \r
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\n" ); document.write( "\n" ); document.write( " $\"system%282x%2B13y=700%2Cx%2By=100%29\"$ \r
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\n" ); document.write( "\n" ); document.write( " $\"11y=500\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"y=45%265%2F11\"$ ------the 65%
\n" ); document.write( "and
\n" ); document.write( " $\"x=54%266%2F11\"$ ------the 10%\r
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\n" ); document.write( "\n" ); document.write( "----------------------------------------------------------------------------\r
\n" ); document.write( "\n" ); document.write( "x of 10%
\n" ); document.write( "100-x of 65%
\n" ); document.write( " $\"10x%2B65%28100-x%29=35%2A100\"$
\n" ); document.write( "-
\n" ); document.write( " $\"2x%2B13%28100-x%29=700\"$
\n" ); document.write( " $\"2x%2B1300-13x=700\"$
\n" ); document.write( " $\"-11x=700-1300\"$
\n" ); document.write( " $\"11x=600\"$
\n" ); document.write( " $\"x=54.54545454\"$ \n" ); document.write( "

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