Answer:
1.375 inches or 1.4 inches
Step-by-step explanation:
[tex]\frac{1in}{40miles} = \frac{x}{55 miles} \\\\ x(40 miles) = (1in)(55 miles)\\\\ x = \frac{55 miles}{40 miles} \\\\ x = 1.375 inches[/tex]The miles cancel out as units, leaving you with inches.