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The problem asks us to form an inequality that represents the number of glasses of milk and cookies Rebecca can consume, ensuring she doesn't exceed 750 calories.

- Each glass of milk contains **230 calories**.
- Each cookie contains **130 calories**.
- \( x \) represents the number of glasses of milk.
- \( y \) represents the number of cookies.

To express this situation as an inequality, we sum the calories from the milk and the cookies and ensure the total does not exceed 750 calories.

The inequality will be:
\[
230x + 130y \leq 750
\]

This inequality ensures that the total calorie intake from both milk and cookies remains less than or equal to 750. The correct option is the first one:
\[
\boxed{230x + 130y \leq 750}
\]

Do you want more details or have any questions? 

Here are five related questions:
1. How would the inequality change if one cookie had 150 calories instead of 130?
2. If Rebecca wants to consume exactly 750 calories, how would you set up the equation?
3. What is the maximum number of cookies Rebecca can eat if she drinks one glass of milk?
4. How would the inequality change if Rebecca were limited to 500 calories?
5. Can this inequality be graphed on a coordinate plane? If so, how?

**Tip**: When forming inequalities, ensure that the total amount stays within the given limit by using "≤" or "≥" to include the boundary.

Rebecca plans to have a snack with milk and chocolate chip cookies. She wants to ensure her snack will contain no more than 750 calories. One glass of milk will give her 230 calories, and one cookie 130 calories. If x represents the number of glasses of milk, and y represents the number of cookies, which inequality expresses how many glasses of milk and cookies Rebecca can have?

Learn how to form a linear inequality that represents calorie consumption from milk and cookies, ensuring the total intake does not exceed 750 calories. This problem uses algebraic concepts of inequalities. Suitable for Grades 7-9.

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