document.write( "Question 1160521: You need a 80% alcohol solution. On hand, you have a 150 mL of a 55%
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\n" ); document.write( "90% mixture will you need to add to obtain the desired solution?
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Algebra.Com's Answer #783813 by josgarithmetic(39632)\"\" \"About 
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v, amount of the 90% alcohol to use
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\n" ); document.write( "\n" ); document.write( "Accounting for the amount of pure alcohol
\n" ); document.write( "\"90v%2B55%28150-v%29=80%2A150\"\r
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\n" ); document.write( "\n" ); document.write( "\"90v-55v%2B55%2A150=80%2A150\"\r
\n" ); document.write( "\n" ); document.write( "\"%2890-55%29v=80%2A150-55%2A150\"\r
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\n" ); document.write( "\"highlight_green%28v=150%28%2880-55%29%2F%2890-55%29%29%29\"\r
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