alleryA girl walks 3 km east, 4 km north, then straight back to the start. What is her total walk?
A7 km
B12 km
C10 km
D14 km
Answer & Solution
Correct answer: B. 12 km
The return leg is 5 km, so the total is 3 plus 4 plus 5, which is 12 km.
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