document.write( "Question 268065: how many gallons of 30% antifreeze solution and 60% antifreeze solution must be mixed to obtain 15 gallons of 42% antifreeze solution?
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Algebra.Com's Answer #196573 by richwmiller(17219)\"\" \"About 
You can put this solution on YOUR website!
.3*x+.6*(15-x)=15*.42
\n" ); document.write( "9 gallons of 30 % and
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