document.write( "Question 76674: A chemist needs 130 milliliters of a 65% solution but has only 56% and 95% solutions available. Find how many millimeters of each that should be mixed to get the desired solution. \n" ); document.write( "
Algebra.Com's Answer #55017 by checkley75(3666)\"\" \"About 
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.56X+.95(130-X)=130*.65
\n" ); document.write( ".56X+123.5-.95X=84.5
\n" ); document.write( ".56X-.95X=84.5-123.5
\n" ); document.write( "-.39X=-39
\n" ); document.write( "X=-39/-.39
\n" ); document.write( "X=100 ML OF 56% SOLUTION IS NEEDED.
\n" ); document.write( "130-100=30 ML OF 95% SOLUTION IS NEEDED.
\n" ); document.write( "PROOF
\n" ); document.write( ".56*100+.95*30=84.5
\n" ); document.write( "56+28.5=84.5
\n" ); document.write( "84.5=84.5\r
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