Question

The 42km drive from Oakdale to Ridgemont usually takes 28 minutes. Because a highway construction requires a reduced speed limit, the trip now takes 14 minutes longer. Find the reduced speed in Km/h.

Answer 1

60 km/h

Explanation:

At the reduced speed, the trip takes 28 +14 = 42 minutes to drive 42 km. That's 1 km per minute, or 60 km in 60 minutes.

The reduced speed is 60 km/h.