Answer:
36 laps can the customer drive for $8
Step-by-step explanation:
Unit rate defined as rates are expressed as a quantity of 1, such as 3 feet per second or 4 miles per hour, they are called unit rates.
As per the given statement; A costumer at a raceway can drive 54 laps around the track for 12$.
⇒ for $12 a costumer drive 54 laps around the track.
unit rate per dollar = 
To find how many laps can costumer drive for $ 8
Number of laps = 
Number of laps for $8 =
laps
therefore, 36 laps can the customer drive for $8