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The correct answer is D) x ≤ 3
To solve for x, we first subtract 12.75 from both sides of the inequality:
16.5 - 12.75 ≥ 1.25x
3.75 ≥ 1.25x
Then, divide both sides by 1.25 to isolate x:
3.75 / 1.25 ≥ x
3 ≥ x
x ≤ 3
So the solution set is x ≤ 3. This means that x can be any value less than or equal to 3.