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## A bag contains 5 black, 4 white and x red marbles. If the probability of picking a red marble is 2/5 , find the value of x. | |||

This question A bag contains 5 black, 4 white and x red marbles. If the probability of picking a red marble is 2/5 , find the value of x. is a jamb, neco, waec maths question.
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