document.write( "Question 555789: How many gallons of a 50% alcohol solution must be mixed with 80 gallons of a 14% solution to obtain a solution that is 40% alcohol? \n" ); document.write( "
Algebra.Com's Answer #361937 by richwmiller(17219)\"\" \"About 
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.5x+80*.14=.4*(80+x)
\n" ); document.write( ".5x+80*.14=.4*80+.4x
\n" ); document.write( ".1x=.4*80-80*.14
\n" ); document.write( ".1x=80*(.4-.14)
\n" ); document.write( ".1x=80*(.26)
\n" ); document.write( "multiply by 10
\n" ); document.write( "x=80*2.6
\n" ); document.write( "x=208 gallons\r
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