Mathematics
Mathematics, 16.06.2020 22:57, wilboisa000

A box contains 7 plain pencils and 3 pens. A second box contains 3 color pencils and 9 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? Write your answer as a fraction in simplest form.

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A box contains 7 plain pencils and 3 pens. A second box contains 3 color pencils and 9 crayons. One...

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