Answer:
3 1/4 kilometers are left.
Explanation:
Total distance from office to home is 5 3/4 km. A person had walked 2 1/2 km. Therefore, 5 3/4 – 2 1/2 = 23/4 – 5/2 = 23/4 – 10 /4 = 13/4 = 3 1/4. Hence, 3 1/4 km distance still.
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