Movements

1. Aria walks 10 km east.
2. She walks 6 km north.
3. She then walks 4 km west.

Question

How far and in which direction is Aria from her starting point?

Answer

6 km east and 6 km north, which is north-east of the start.

Solution

1. East-west movement leaves 6 km east: 10 km east minus 4 km west.
2. The 6 km north movement remains unchanged.
3. A point east and north of the start is in the north-east direction.