The solution set is 49 ≤ T ≤ 64.
The solution in interval notation is [49, 64]
2 possible cases
T - 56.5 ≥ 7.5 ...(1)
T - 56.5 ≤ 7.5 ...(2)
From (i)
T - 56.5 ≥ - 7.5
T ≥ - 7.5 + 56.5
T ≥ 49
From (ii)
T - 56.5 ≤ 7.5
T ≤ 7.5 + 56.5
T ≤ 64
The solution set is 49 ≤ T ≤ 64.
Therefore, The solution in interval notation is [49, 64].
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