The vehicle's fuel efficiency is no less than 40 miles per gallon.
Use f to represent the vehicle's fuel efficiency (in miles per gallon).

The statement "The vehicle's fuel efficiency is no less than 40 miles per gallon" can be represented mathematically using the variable \( f \) (where \( f \) represents the vehicle's fuel efficiency in miles per gallon) as follows:

\[
f \geq 40
\]

This inequality indicates that the fuel efficiency \( f \) is greater than or equal to 40 miles per gallon.

Would you like to delve into more details or have any questions? Here are five related questions that might interest you:

1. How would you represent a fuel efficiency that is "at most 40 miles per gallon" using \( f \)?
2. What does the inequality \( f \leq 40 \) represent in the context of fuel efficiency?
3. How can you calculate the fuel cost for a trip given the fuel efficiency and distance traveled?
4. What would the inequality look like if the fuel efficiency must be exactly 40 miles per gallon?
5. How do changes in fuel efficiency impact overall travel costs?

**Tip:** Understanding inequalities is crucial for solving real-world problems where values are constrained within specific limits.

Explore how to represent and interpret fuel efficiency inequalities using the variable f (miles per gallon). Learn about the mathematical inequality f ≥ 40 and its implications for vehicle fuel efficiency. Suitable for students in Grades 7-9.

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