Answer:
7x + 8y ≤ 200
Explanation:
Let's say x is the number of 550-MB disks and y is the number of 650-MB disks. Then, the cost of x 550-MB disks is 7x dollars, and the cost of y 650-MB disks is 8y dollars.
The total cost cannot exceed $200, so we have:
7x + 8y ≤ 200
This inequality represents the maximum number of disks of each type that can be bought with the budget of $200.