Final answer:
The area of the passage is 184 square units.
Step-by-step explanation:
To find the area of the passage, we need to find the area of the rectangle formed by subtracting the area of the rectangle without the passage from the area of the original rectangle. The area of the rectangle without the passage is (30 - 2 - 2)(20 - 2 - 2). The area of the original rectangle is 30 × 20. Subtracting the area without the passage from the area of the original rectangle gives us the area of the passage.
Area of passage = Area of original rectangle - Area of rectangle without passage
Area of passage = (30 × 20) - (26 × 16)
Area of passage = 600 - 416
Area of passage = 184
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