document.write( "Question 360214: What will you save yearly on gasoline if you buy a more fuel efficient car that gets \"m\" miles per gallon and a gas guzzler that gets \"M\" miles per gallon. Assume you drive \"d\" miles per year and the price of gas stays constant at \"p\" dollars per gallon. \n" ); document.write( "
Algebra.Com's Answer #257072 by edjones(8007)\"\" \"About 
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Let miles=m'
\n" ); document.write( "m'/g=m
\n" ); document.write( "1/m * d = d/m gallons
\n" ); document.write( "d/m * p = dp/m dollars
\n" ); document.write( "dp/M - dp/m = what you will save yearly on gasoline if you buy a more fuel efficient car that gets \"m\" miles per gallon and a gas guzzler that gets \"M\" miles per gallon.
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