The above diagram shows 4 island countries in the Marina Ocean. Each inch on the map represents a distance of 400 miles. The capital of each island country is marked with a star.

A travel group leader takes a group of tourists from the capital of Green Island to the capital of Orange Island and back again. How long is the tour in miles?
A.
800 miles
B.
2,400 miles
C.
1,800 miles
D.
1,600 miles

B. 2,400 miles

The distance from the capital of Green Island to the capital of Orange Island is 1,200 miles (400 miles x 3 inches). The tour involves traveling to Orange Island and then back to Green Island, making the total distance 1,200 miles x 2 = 2,400 miles.