ASVAB · Ratios, Proportions, and Rates

On a map, 1 inch represents 50 miles. Two cities are 3.5 inches apart on the map. How far apart are they in actual miles?

Correct answer

175 miles

  1. A 150 miles
  2. B 175 miles
  3. C 200 miles
  4. D 225 miles

Why this is the answer

3.5 × 50 = 175 miles. Scale proportion: inches × miles-per-inch = actual miles.
Source: ASVAB AR, Scale/Map Problems