Algebra-1

Question Analysis
This question tests the student's ability to interpret a number line and identify the correct inequality symbol based on the shaded region.

Key Concept Explanation
Inequalities are used to compare two expressions, and the number line is a visual representation of the solution set.

Step-by-step Solution
1. Observe the number line and note that the shaded region is to the left of 20.
2. A closed circle at 20 indicates that 20 is included in the solution set.
3. Therefore, the inequality is

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