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Isaac's car used 2 2/5 gallons to travel 51 miles. How many miles can the car go on one gallon of gas?

User Snowbound
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Final answer:

Isaac's car achieves a fuel efficiency of 21.25 miles per gallon, calculated by dividing the 51 miles traveled by the 2 2/5 gallons of gasoline used.

Step-by-step explanation:

To find out how many miles Isaac's car can go on one gallon of gas, we need to calculate the car's miles per gallon (MPG) fuel efficiency. Isaac's car used 2 2/5 gallons to travel 51 miles. First, we need to convert 2 2/5 gallons to an improper fraction. This is 12/5 gallons. Now, we can calculate the miles per gallon by dividing the miles traveled by the gallons used:

  1. Convert 2 2/5 gallons to an improper fraction: 2 2/5 = 10/5 + 2/5 = 12/5 gallons.
  2. Calculate MPG: MPG = miles driven ÷ gallons used = 51 ÷ (12/5) = 51 ÷ 2.4 = 21.25.

Therefore, Isaac's car can travel 21.25 miles on one gallon of gas.

User Terry Bu
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