Final answer:
The actual distance between Jackson Heights and Jones City is 17.5 miles.
Step-by-step explanation:
To determine the actual distance between Jackson Heights and Jones City, we need to use the given map scale. The scale states that 1 inch on the map represents 5 miles in real life. The distance on the map is 3 1/2 inches.
To find the actual distance, we can multiply the length on the map by the scale factor.
3 1/2 inches * 5 miles/inch = 17.5 miles
Therefore, the correct answer is a. 17.5 miles.