Step-by-step explanation:
0.02 is rational as it can be expressed as a finite decimal.
Answer:

Step-by-step explanation:
Its given:

The answer is B.
The total hours worked is 5 x 8 teams is 40 hours x 2 cars per hour is 80 cars.
$600/80= $7.50 per car
Find the unit rate:
4.5 miles 2
------------- * ------- = 9 mph
0.5 hour 2