algebra 2

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The capacity of the gas tank in a car is 16.5 gallons. The car uses 10.5 gallons to travel 178.5 miles. After driving 85 more miles, only 1 gallon of gasoline remains in the tank. Which linear equation and graph model the amount of gas g left in the tank after driving m miles?

  • algebra 2 -

    178.5mi/10.5gal = 17 mi/gal
    This is consistent with 85mi/5gal, so

    g(m) = 16.5 - m/17

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