# A map has a scale of 0.7 : 22.1 mi. If Sun Valley and Salem are 3.4 in apart on the map, then how far apart are the real cities?

##### 1 Answer

Jun 28, 2018

See explanation.

#### Explanation:

The scale of the map is:

#0.7/22.1=3.4/x#

We can transform it to:

#0.7x=3.4*22.1#

So

#x=(3.4*22.1)/0.7#

#x~~107.34#

**Answer:**

**The distance between the cities is about #107.34# miles.**