City-Data Forum What is the equation for calculating gas price between two cars?
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02-14-2019, 03:45 PM
 10,204 posts, read 14,660,022 times Reputation: 11299

Quote:
 Originally Posted by Quietude Do you have an online calculator that proves that?

Here ya go

https://www.kidzone.ws/math/eggplusegg/teaser3.htm

Magical Calculator Birthday Math Trick | Dr Mike's Math Games for Kids

Today, 08:44 PM
 Location: Southern NH 2,526 posts, read 4,870,994 times Reputation: 1716
fueleconomy.gov lets you compare costs for cars side by side.

Today, 08:53 PM
 Location: Midwest 4,005 posts, read 6,923,962 times Reputation: 6584
Quote:
 Originally Posted by J Baustian I compare cents per mile. For example, fuel costs \$2.40/gallon and vehicle gets 30 mpg, then it costs 2.40/30 so 8 cents per mile. Another vehicle requires premium gasoline costing \$2.80 and gets 20 mpg. So \$2.80/20 equals 16 cents per mile.
In other words, 3rd grade arithmetic.
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