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Mathematics, 10.10.2021 01:40 jasminwideman
Question 12: There are only red, black and green pens in a box.
There are three times as many red pens as green pens.
There are four as many black pens than red pens.
Work out the probability of a black pen being selected
working pls !! :D
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Question 12: There are only red, black and green pens in a box.
There are three times as many red...
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