How many tolls have to be paid? Assuming one toll:
y = $2 + .80r
Substitute 17 for r and solve.
Taxi fare from an airport to a nearby town is $0.80 per mile driven, plus $2 for tolls. Let y represent the lare and r the miles driven on one trip. write the equation for y in terms of r. Find the fare when the distance driven is 17 miles.
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