Algebra-1

Question Analysis
This question tests the student's ability to set up and solve a proportion problem involving map scales.

Key Concept Explanation
Proportions are used to compare two ratios and find an unknown value. In this case, the ratio of inches on the map to miles in reality is constant, so we can set up a proportion to find the unknown distance.

Step-by-step Solution
1. Set up the proportion:
2. Cross-multiply: