document.write( "Question 844956: How many gallons of a 12% salt solution must be mixed with 35 gallons of a 28% solution to obtain a 20% solution? \n" ); document.write( "
Algebra.Com's Answer #509011 by richwmiller(17219)\"\" \"About 
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.28*35+.12x=.20*(x+35)
\n" ); document.write( "0.12x=(x+81.6667) = 0.20(x+35.)
\n" ); document.write( "0.12x+9.8 = 0.20x+7.
\n" ); document.write( "2.8=0.08x
\n" ); document.write( "x = 35
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