Answer:
4.25 km
Explanation:
850 m × 5 days = 4,250 m
there are 1000 m in a km.
4250 m ÷ 1000 = 4.25 km
850 x 5 = 4250m
1m = 0.001 km
4250(0.001) = 4.25 km
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