The length of the freeway is 600 miles. If 0.5 inch represents 50 miles, what is the length of the freeway on the map?

The map scale shows that 50 miles correspond to 0.5 inch. Since 600 miles is 12 times 50 miles, the map length is 12 × 0.5 = 6 inches. The correct choice is 6 inches.

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