medium · GMAT Quant
A quality control engineer for a microchip manufacturer establishes operating temperature bounds T, measured in degrees Celsius. Standard protocol requires that |2T - 30| ≤ 18. For safety reasons, the temperature must also satisfy T ≥ 8.
Which of the following intervals represents all allowable values of T?
- 6 ≤ T ≤ 24
- 8 ≤ T ≤ 24
- 8 < T < 24
- T ≤ 6 or T ≥ 24
- T ≥ 8
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