To find the distance between city C and D on the on the globe we can use the rule of three:
[tex]\begin{gathered} 10890\rightarrow13.9 \\ 1550\rightarrow x \end{gathered}[/tex]then:
[tex]x=\frac{1550\cdot13.9}{10890}=2[/tex]Therefore the distance between the cities is 2 inches.