Algebra-1

Question Analysis
This question tests the student's ability to apply the concept of constant rate of change in a real-world context. The rate of change here is the speed of the car.

Key Concept Explanation
The constant rate of change in this scenario is the speed of the car, which is the ratio of the change in distance to the change in time. This is a practical application of the constant rate of change.

Step-by-step Solution
1. Identify the given data: 120 kilometers in 2 hours.
2. Use the formula for speed: .
3. Substitute the values: