How many gallons of gasoline are used in the united states ( population 318.9 million) in one
day?

- two cars for every three people,
- each car is driven an average of 10,000 miles per year, and
- the average car gets 20 miles per gallon

291.23 million gallons per day

Step-by-step explanation:

Let's break down the problem step by step and solve.

There are two cars for every three people. So we will multiply 2/3 with 318.9 (total population) to get the number of cars.

Number of cars = 2/3 * 318.9 = 212.6

Each car driven 10,000 miles per year. To get miles per day, we need to divide 10,000 by 365.

Miles driven per car per day = 10,000/365 = 2000/73

Since each car gets 20 miles per gallon, we can divide "2000/73" by 20 to get number of gallons per car per day.

Number of gallons per car per day = "2000/73" / "20" = 100/73

Now, since we know number of cars to be 212.6, we multiply this by number of gallons per car per day, which is 100/73. So:

100/73 * 212.6 = 291.23 gallons per day

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step-by-step explanation: