Answer:
10 km
Step-by-step explanation:
Distance is a measurement of the length of space between two points or objects. Distance is a scalar quantity, that is it has magnitude and no direction. The S.I unit of distance is meter, but other units are inches, kilometers, mile and so on.
Total distance traveled = distance from house to gym + distance from gym back to the house
Total distance traveled = 5 km + 5 km
Total distance traveled = 10 km