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Telephone poles are stored ina pile with 20 poles in the first layer, 19 in the second and so on. If there are 12 layers how many telephone poles does th
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Telephone poles are stored ina pile with 20 poles in the first layer, 19 in the second and so on. If there are 12 layers how many telephone poles does th
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Question 326182: Please help me with this:
Telephone poles are stored ina pile with 20 poles in the first layer, 19 in the second and so on. If there are 12 layers how many telephone poles does the pile contain? Found 2 solutions by scott8148, rfer:Answer by scott8148(6628) (Show Source):
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