document.write( "Question 999143: You have 20 fl oz of a gas/oil mixture that is 2.5% oil. How much gas should you add to lower it
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Algebra.Com's Answer #616831 by josgarithmetic(39620)\"\" \"About 
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x, how much gas to add\r
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\n" ); document.write( "\n" ); document.write( "\"20%2A2.5%2F%28x%2B20%29=2.0\"
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