Practice!

Sample Problem

10 km 45 m - 4 km 450 m + 5 km 840 m = km m

Solution

Formula: 1 km = 1000 m

10 km - 4 km + 5 km = 11 km

45 m - 450 m + 840 m = 435 m

So, 10 km 45 m - 4 km 450 m + 5 km 840 m = 11 km 435 m