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Ch.1 - Matter, Measurement & Problem Solving
Chapter 1, Problem 131

The Toyota Prius, a hybrid electric vehicle, has an EPA gas mileage rating of 52 mi/gal in the city. How many kilometers can the Prius travel on 15 L of gasoline?

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Key Concepts

Here are the essential concepts you must grasp in order to answer the question correctly.

Conversion between miles and kilometers

To solve the problem, it's essential to convert the distance traveled from miles to kilometers. The conversion factor is that 1 mile is approximately equal to 1.60934 kilometers. This allows for accurate calculations when determining how far the Prius can travel based on its gas mileage.
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Understanding fuel efficiency

Fuel efficiency, often expressed in miles per gallon (mpg), indicates how far a vehicle can travel on a specific volume of fuel. In this case, the Prius has a rating of 52 miles per gallon, which means it can travel 52 miles for every gallon of gasoline consumed. This concept is crucial for calculating the total distance based on the amount of gasoline available.
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Volume conversion from liters to gallons

Since the fuel efficiency is given in miles per gallon, it's necessary to convert the volume of gasoline from liters to gallons for accurate calculations. The conversion factor is that 1 liter is approximately equal to 0.264172 gallons. Understanding this conversion is vital to determine how many gallons of gasoline are available for the Prius to use.
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