A map scale indicates that 1 inch on the map corresponds to 5 miles in reality. If two cities are 3 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 student's ability to apply the concept of proportions to a real-world scenario. The problem involves using a map scale to determine the actual distance between two cities.
Key Concept Explanation
Proportions are used to compare two ratios and find an unknown value. In this case, the ratio of map distance to real distance is given, and students need to use this ratio to find the actual distance.
Step-by-step Solution
1. Identify the given ratio: 1 inch on the map = 5 miles in reality.
2. Set up the proportion:
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