SOLUTION: Marie is lost. She walks 15km north, 4 km east, 9 km south, 11 km east, 23 km north, 7 km west and 2 km south. How far away from her original position is she?

Question 1126614: Marie is lost. She walks 15km north, 4 km east, 9 km south, 11 km east, 23 km north, 7 km west and 2 km south. How far away from her original position is she?
Found 2 solutions by FrankM, MathTherapy:
Answer by FrankM(1040) (Show Source): You can put this solution on YOUR website!
If you graph this, carefully, you'll see a net movement of 27km north, and 8 miles east.
Using Pythagorus, 27^2 + 8^2 = 793.
The square root of 793 is 28.16km a bit east of north.
Edited, as I missed the extra eastern movement at first.
Answer by MathTherapy(10552) (Show Source): You can put this solution on YOUR website!

Marie is lost. She walks 15km north, 4 km east, 9 km south, 11 km east, 23 km north, 7 km west and 2 km south. How far away from her original position is she?

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