# A highway is 600 km in length. If the length of the highway on a map is 6 cm, what is the scale factor? Hint: 1 km = 100 000 cm.

##### 2 Answers

Oct 26, 2017

**The scale factor is 600 km to 60,000,000 cm.**

#### Explanation:

1 km = 100,000 cm

600 km = ? cm

Let x be the cm in 600 km.

So we set up a proportion:

**The scale factor is 600 km to 60,000,000 cm.**

Oct 26, 2017

If,

Then, it means

So, per every 1cm, there are a 100km