Algebra-1

Question Analysis
This question tests the student's ability to use a conversion factor to change a distance from kilometers to miles. It requires the application of dimensional analysis and the use of a given conversion factor.

Key Concept Explanation
Conversion factors are ratios used to convert quantities from one unit to another. In this case, the conversion factor is . Dimensional analysis ensures that the units cancel out appropriately, leaving the desired unit.

Step-by-step Solution
1. Identify the given distance and the conversion factor: 18.5 km and .
2. Set up the multiplication using the conversion factor:

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