kiapalmer98 kiapalmer98
  • 23-03-2020
  • Mathematics
contestada

Suppose a car has a rating of 4.8 gallons per 100 miles. What is the miles-per-gallon rating of this car? 

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joaobezerra joaobezerra
  • 23-03-2020

Answer:

The miles-per-gallon rating of this car is 20.83.

Step-by-step explanation:

This question can be solved by a rule of three.

What is the miles-per-gallon rating of this car?

How many miles for 1 gallon?

4.8 gallons are used for 100 miles. So

4.8 gallons - 100 miles

1 gallon - x miles

[tex]4.8x = 100[/tex]

[tex]x = \frac{100}{4.8}[/tex]

[tex]x = 20.83[/tex]

The miles-per-gallon rating of this car is 20.83.

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