5 cm
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The scale is 2 cm represents 30 miles.
To find the distance on the map, we can set up a proportion:
- 2 cm / 30 miles = x cm / 75 miles
Cross multiply and solve for x:
- x cm = (2 cm * 75 miles) / 30 miles = 5 cm
Therefore, the distance between the towns on the map is 5 cm.