Mathematics, 14.02.2020 05:29, ronii73
Channel One" is an educational television network for which participating secondary schools are equipped with TV sets in every classroom. It has been found that 30 30 % of secondary schools subscribe to Channel One, where of these subscribers 15 15 % never use Channel One while 25 25 % claim to use it more than 5 times per week.
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Channel One" is an educational television network for which participating secondary schools are equi...
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