Answer:
x ≤ x ≤ 10
Explanation:
the area (A) of the rectangle is calculated as
A = length × width = 8x × = 2x × 3 = 6x
Then
12 ≤ 6x ≤ 60 ( substituting A into the given inequality )
divide all 3 intervals by 6
2 ≤ x ≤ 10
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