Concept: 1 Mark
Steps: 2 Marks
Answer: 1 Mark
We know that ,1 km = 1000 m
Now total distance walked by Anshul = 5.5 (house to office) +2 km (way back from office)
Now 1 km = 1000m
∴ 5.5 km = 5.5 × 1000 = 5500 m
2 km = 2×1000 = 2000 m
Now total distance walked by Anshul = 5.5 + 2 km = 5500 + 2000 = 7500 m