A map scale shows that 1 inch represents 20 miles. If two cities are 4.5 inches apart on the map, how many miles apart are they in reality? The distance between the two cities is _______ miles.
Answer & Analysis
Analysis
Question Analysis
This question tests the application of proportions in a real-world context. The problem involves using a map scale to determine the actual distance between two cities.
Key Concept Explanation
The key concept here is the use of proportions to scale up from a map to the real world. The map scale provides a ratio that can be used to find the actual distance.
Step-by-step Solution
1. Identify the given ratio: 1 inch on the map represents 20 miles in reality.
2. Set up the proportion:
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