document.write( "Question 37972: thrity years ago gasoline cost 30 cents per gallon. Today gasoline averages about $1.65 per gallon. What is the percentage of increase in the cost of gasoline \r
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Algebra.Com's Answer #23487 by checkley71(8403)\"\" \"About 
You can put this solution on YOUR website!
165/30=5.5 OR 550% INCREASE FROM 30 TO 165 \n" ); document.write( "
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