algebra 1

Harold's car has a fuel tank with 12 gallons of fuel in it. The fuel efficiency of Harold's car is 25 miles per gallon. Write an equation to represent the amount of fuel remaining, f, in Harold's car after driving m miles.

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  1. f(m) = 12 - m/25

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  2. Liz fills her car with 9 gallons of gasoline. If she filled a further 10% of the capacity of the tank, the car would have 10.4 gallons of gas.

    What is the capacity of the tank?

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