Question 20
Debby walked 10m towards East, then turns to her left and walked 4m and then turns to her right and walked 3m. Then, she turned to his right again and walked 2m. Then she turned to her left and she walked 6m. Again, she turned to her left and walked 8m. Finally, she turned to her left again and walked 9m. What is the shortest distance between her final and initial position?