D. 20 ≤ x ≤ 50. is the inequality that represents the scenario.
inequality is a statement of an order relationship consisting, greater than, greater than or equal to, less than, or less than or equal, between two numbers or algebraic expressions.
From the given question;
On combining both statement, we will obtain an as follows;
20 ≤ x ≤ 50
Thus, the option D (20 ≤ x ≤ 50) is the inequality that represents the scenario.
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The complete question is below here:
A. 20 ≥ x ≥ 50
B. 20 < x < 50
C. 20 > x > 50
D. 20 ≤ x ≤ 50