SOLUTION: 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" mil

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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.
Answer by edjones(8007) About Me  (Show Source):
You can put this solution on YOUR website!
Let miles=m'
m'/g=m
1/m * d = d/m gallons
d/m * p = dp/m dollars
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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Ed