document.write( "Question 1096641: How much of a 40% antifreeze solution must a mechanic mix with a 70% antifreeze solution if she needs 25 gallons of a 50% antifreeze solution? \n" ); document.write( "
Algebra.Com's Answer #711082 by josgarithmetic(39618)\"\" \"About 
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x gallons of the 40%\r
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\n" ); document.write( "\n" ); document.write( "\"40x%2B%2825-x%2970=50%2A25\"
\n" ); document.write( "Just solve for x and evaluate 25-x.
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