Given:
Distance between the starting and finish line = 3 Km
Scale measurement:
2cm = 1 Km
Using the scale measurement, we can find the distance on a map.
Let x be distance on a map. We can write the conversion to be:
![x\text{ =}\frac{2\operatorname{cm}}{1Km}\text{ }*3Km]()
Cancelling out:
![x\text{ = }6\operatorname{cm}]()
Hence, the distance between the starting line and the finish line on a map is 6cm
Answer:
6cm