SOLUTION: Calculate how many liters of gasoline are used in the USA in one day? Assume that there are two cars for every three people, and each car is driven an average of 12,000 mi per year

Question 1122769: Calculate how many liters of gasoline are used in the USA in one day? Assume that there are two cars for every three people, and each car is driven an average of 12,000 mi per year and the average car gets 15 miles per gallon.
Found 2 solutions by josgarithmetic, Theo:
Answer by josgarithmetic(39618) (Show Source): You can put this solution on YOUR website!
How many people? Population size?

p, number of people

Answer by Theo(13342) (Show Source): You can put this solution on YOUR website!
there are 2 cars for every 3 people.
each car is driven an average of 12,000 miles per year.
the average car gets 15 miles per gallon.

the average car therefore uses 12000 / 15 = 800 gallons of gas each year.

the gallon to liter translation factor is 1 gallon = 3.78541 liters.

therefore, the average car uses 800 * 3.78541 = 3028.328 liters of gas each year.

the population of the united states was 325.7 million in 2017.

there are an average of 2 cars for every 3 people, therefore the number of cars would be 2/3 * 325.7 million = 217.1333333 million cars.

each car uses an average of 3028.328 liters of gas each year, there the total consumption of gas each year would be 3028.328 * 217.13333333 million = 657,550.9531 million liters.

that's a rough figure dependent on the population of the united states and the ratio of cars to people and the average miles driven per year and the average consumption of gas at the time the survey was taken.

in other words, it will vary from year to year as each of the factors changes.

the only thing that will definitely stay constant is the number of liters per gallon.

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