An electric wire runs for 1 km between some number of poles . If one pole is removed the distance between each pole increases by 1 2 / 6 (mixed fraction) . How many poles were there initially?
An electric wire runs for 1 km between some number of poles . If one pole is removed the distance between each pole increases by 1 2 / 6 (mixed fraction) . How many poles were there initially?
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