document.write( "Question 744623: How much pure acid should be mixed with gallons of a 50% acid solution in order to get a 80% acid solution \n" ); document.write( "
Algebra.Com's Answer #453488 by josgarithmetic(39617)\"\" \"About 
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You omitted how many gallons of the 50% acid. Call this value g. So you have g gallons of 50% acid. You would add v gallons of the 100% acid.\r
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\n" ); document.write( "\n" ); document.write( "\"%28100%2Av%2Bg%2A50%29%2F%28v%2Bg%29=80\"\r
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\n" ); document.write( "\n" ); document.write( "and you want to solve for v.
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