document.write( "Question 766061: \"What quantity of 65% acid solution must be mixed with a 30% solution to produce 525 mL of a 50% solution?\" \n" ); document.write( "
Algebra.Com's Answer #466649 by josgarithmetic(39617)\"\" \"About 
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x = volume of 30% acid to use.
\n" ); document.write( "y = volume of 65% acid to use.\r
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\n" ); document.write( "\n" ); document.write( "\"%2865%2Ay%2B30%2Ax%29%2F525=50\" and \"x%2By=525\"\r
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\n" ); document.write( "\n" ); document.write( "Simplify the rational equation by division of both sides by 5.
\n" ); document.write( "\"%2813y%2B6x%29%2F525=10\" and multiply them by 525.
\n" ); document.write( "\"13y%2B6x=5250.\"
\n" ); document.write( "\"6x%2B13y=5250\"\r
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\n" ); document.write( "\n" ); document.write( "Solve the system:
\n" ); document.write( "\"highlight%286x%2B13y=5250%29\"
\n" ); document.write( "\"highlight%28x%2By=525%29\"
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