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Mathematics, 22.06.2019 14:20 awsome12dusk

Abox contains 3 plain pencils and 7 pens. a second box contains 4 color pencils and 4 crayons. one item from each box is chosen at random. what is the probability that a pen from the first box and a crayon from the second box are selected?

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Abox contains 3 plain pencils and 7 pens. a second box contains 4 color pencils and 4 crayons. one i...
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