A boy is taking rounds along s 20m will back and forth. He completed 10 rounds in 45minutes. Calculate the average speed and average velocity of the boy.

Explanation

To solve the problem, we need to calculate the average speed and average velocity of the boy who is taking rounds along a 20m track back and forth, completing 10 rounds in 45 minutes.

### Step-by-Step Solution:

**Step 1: Calculate the total distance traveled.**
- The boy completes one round by going from point A to point B (20 meters) and then back from B to A (20 meters).
- Therefore, the distance for one round is:
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