document.write( "Question 709111: how many liters of a 15% acid solution should be mixed with a 35% acid solution to make 7 liters of a 20% acid solution? \n" ); document.write( "
Algebra.Com's Answer #436398 by josgarithmetic(39617)\"\" \"About 
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x for amount 15%, y for amount 35%\r
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\n" ); document.write( "\n" ); document.write( "\"%2815x%2B35y%29%2F7=20\" and \"x%2By=7\"\r
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\n" ); document.write( "\n" ); document.write( "NOTE: Divide both sides of the fractional equation by 5 first.
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