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Mathematics, 14.07.2020 17:01 neariah24

A jar consists of blue, red and green marbles. The probability of each of them is 2/7 , 3/k and 5/2k. Find the value of k.

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A jar consists of blue, red and green marbles. The probability of each of them is 2/7 , 3/k and 5/2k...
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