Lesson 9 A car has a 16-gallon fuel tank. When driven on a highway, it
has a gas mileage of 30 miles per gallon. The gas mileage
(also called "fuel efficiency") tells us the number of miles the
car can travel for a particular amount of fuel (one gallon of
gasoline, in this case). After filling the gas tank, the driver
got on a highway and drove for a while.
A. How many miles has the car traveled if it has 15 gallons of
gas left in the tank? Show your work.
miles
B. Write an equation that represents the relationship
between the distance the car has traveled in miles, d, and
the amount of gas left in the tank in gallons, x.
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