Given:
Scale = 1 cm : 18 km
Distance from Austin to Dallas = 288 km
Required:
Difference between the two cities on the map in centimeter
Solution:
[tex]288\operatorname{km}\cdot\frac{1\operatorname{cm}}{18\operatorname{km}}=\frac{288}{18}cm=16\operatorname{cm}[/tex]Answer:
16 cm