Answer:
3.125 hours.
Step-by-step explanation:
Let the distance between the home of Paula and her workplace is x miles.
Now, driving at the rate of 30 mph she covers this distance in 2.5 hours and hence the distance, x = (30 × 2.5) = 75 miles.
Now, if Paula rides a scooter to work at a constant rate of 24 miles per hour, then she will take (75 ÷ 24) = 3.125 hours to reach her workplace. (Answer)