document.write( "Question 1157107: How many gallons of cottonseed oil must be added to 45 gallons of a solution of
\n" ); document.write( "olive oil which is 90% olive oil in order to make the resulting solution 80% olive oil?
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Algebra.Com's Answer #779913 by josgarithmetic(39618)\"\" \"About 
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X gallons of the cottonseed oil (0% olive oil) to add:\r
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\n" ); document.write( "\n" ); document.write( "\"%2890%2A45%29%2F%28X%2B45%29=80\"
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\n" ); document.write( "\n" ); document.write( "As assigned in the analysis shown, X is the amount of the 0% olive oil. The question therefore asks for X. SOLVE THE SHOWN EQUATION FOR X. Most important is to understand how to form that equation.
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