The total distance Sandy walked is 10 blocks from her starting point.
Sandy ran 8 blocks towards the north and then two blocks towards south from her starting point.
Now, it is asked that how much distance did Sandy walked.
The distance travelled by anybody can be defined as the length actually covered by that body.
Now, as we know from the above described situation that Sandy has ran first it blocks towards the north direction and then two blocks in the south direction so the total distance covered by Sandy will be 10 blocks.
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