A girl travels 4 km west and then 4 km north. What is the distance and displacement of the girl ?

Explanation

To solve the problem of finding the distance and displacement of the girl who travels 4 km west and then 4 km north, we can follow these steps:

### Step 1: Calculate the Total Distance Traveled
The girl travels 4 km to the west and then 4 km to the north. The total distance traveled is simply the sum of these two distances.

\[ \text{Total Distance} = \text{Distance West} + \text{Distance North} = 4 \text{ km} + 4 \text{ km} = 8 \text{ km} \]
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