Answer:
Explanation:
3 (4 - 2t) > 15
⇔ 12 - 6t > 15
⇔ 12 - 15 - 6t > 0
⇔ -3 - 6t > 0
⇔ -3 > 6t
⇔ -3/6 > t
⇔ -1/2 > t
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