
1. 
EASY

If y represents the number of tires a car dealership needs to purchase, and x are the number of cars that need tires, find y if x = 25.
\(y = 4x\)

2. 
EASY

If x represents John's age and x = 15, find Sabrina's age, y, if
\(y = \frac{2x}{3}\)

3. 
EASY

If x is the number each student can bring for the test, and x = 2, how many students are there (y)?
\(y = 5x\)

4. 
MEDIUM

If y represents the average number of lightbulbs in a room, and x are the number of rooms, find y if x = 10.
\(y = \frac{3x}{2}\)

5. 
HARD

If y represents the average number of employees in a store, and x are the number of stores, find y if x = 87.
\(y = \frac{2x}{3}\)

