A car's fuel efficiency (in miles per gallon) varies inverse...

Question Analysis
This problem tests the application of inverse variation in a real-world context, specifically the relationship between a car's speed and its fuel efficiency.

Key Concept Explanation
Inverse variation is defined by the equation , where is the constant of variation. The product of the variables remains constant regardless of their individual values.

Step-by-step Solution
1. Identify the given values: mph and mpg.
2. Use the inverse variation equation to find the constant :

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Algebra-2

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