document.write( "Question 972604: A mixture contains forty ounces of glycol and water and is ten per cent glycol. If the mixture is to be strengthened to twenty-five per cent, how much glycol is to be added? \n" ); document.write( "

Algebra.Com's Answer #594913 by josmiceli(19441) $\"\"$ $\"About$

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$\"+.1%2A40+=+4+\"$ ounces of glycol in mixture
\n" ); document.write( "Let $\"+x+\"$ = ounces of glycol to be added
\n" ); document.write( " $\"+%28+4+%2B+x+%29+%2F+40+=+.25+\"$
\n" ); document.write( " $\"+4+%2B+x+=+10+\"$
\n" ); document.write( " $\"+x+=+6+\"$
\n" ); document.write( "6 ounces of glycol needs to be added
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