How Do You Calculate Miles Per Gallon?

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In summary, the conversation involves someone struggling with a math problem and asking for help. The problem involves finding the miles per gallon of a car that traveled 260 miles using 8.2 gallons of gas. The expert summarizer provides a simple equation to solve for the answer, which is 31.707 miles per gallon rounded to 3 decimal places. The person expresses surprise and gratitude for the help.
  • #1
jangoom
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Yeah, I can't seem to figure this out.. school sucks.

If your car travels 260 miles and uses 8.2 gallons, how many miles per gallon did you get? (Round your answer to three decimal places.
 
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  • #2
Re: If your car travels 260 miles and uses 8.2 gallons, how many miles per gallon did you get? (Roun

Let x be the amount of miles per gallon. Then 8.2 * x = 260. Can you solve for x?
 
  • #3
Re: If your car travels 260 miles and uses 8.2 gallons, how many miles per gallon did you get? (Roun

No I don't know how... it's been years.
 
  • #4
Re: If your car travels 260 miles and uses 8.2 gallons, how many miles per gallon did you get? (Roun

8.2 * x = 260

Divide both sides by 8.2:

x = 260/8.2 is 31.707 to 3 decimal places.

Do you understand?
 
  • #5
WHAAAT it's that simple? Oh God. Thanks for your help and patience.
 

FAQ: How Do You Calculate Miles Per Gallon?

How do you calculate miles per gallon (MPG)?

To calculate MPG, you divide the total number of miles traveled by the amount of fuel used. In this case, you would divide 260 miles by 8.2 gallons, resulting in an MPG of 31.7.

What is the significance of knowing your car's MPG?

Knowing your car's MPG can help you track your fuel consumption and estimate how much you will spend on gas for a particular trip or over a certain period of time. It can also help you compare the efficiency of different vehicles when considering purchasing a new car.

Can your car's MPG change over time?

Yes, your car's MPG can change over time due to factors such as driving habits, maintenance, and weather conditions. For example, if you drive more aggressively, your MPG may decrease. Regular maintenance and keeping your tires properly inflated can help maintain a consistent MPG.

Is getting a higher MPG always better?

Not necessarily. While a higher MPG may save you money on gas, it may also mean sacrificing power and performance. Additionally, some vehicles are designed for different purposes and may have different MPG ratings. It's important to consider your specific driving needs when determining the ideal MPG for your car.

How accurate is the MPG calculation?

The accuracy of the MPG calculation depends on the accuracy of the odometer and the amount of fuel used. While it may not be 100% accurate, it is a reliable estimate of your car's fuel efficiency.

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