document.write( "Question 1060804: how many gallons of 40% salt solution must be mixed with 8 gallons of a 10% solution to make a 30% mixture solution? \n" ); document.write( "
Algebra.Com's Answer #675643 by Boreal(15235)\"\" \"About 
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x=gallons
\n" ); document.write( ".40x+8(.10)=(x+8)(.30)
\n" ); document.write( ".40x+0.8+.30x+2.4
\n" ); document.write( ".10x=1.6
\n" ); document.write( "x=16 gallons.
\n" ); document.write( "That is a 2:1 ratio, and 30% is twice as far from 10% as it is from 40% to check.
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