A wooden plank of length x is cut into 8 sections such that each section is at most 2 1/2 meters long. What is the length of the entire plank in meters? A. x ≤ 3.2 meters B. x ≤ 20 meters C. x ≥ 10.5 meters D. x ≥ 20 meters
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Length of wooden plank is x.
When cut into 8 sections, the max length of each section is 2 1/2 m.
2 1/2 * 8 = 20
Thus option D is the correct answer. x is just given to confuse you while all you do is multiply the values.
Norganda:
The wooden plank has ONLY eight parts and each is 2 1/2 m. If you add all the sections together, you get the length of the plank which is 20. I hope you understand.
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12
Answer:
Other guys wrong, its not D its B
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