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Mathematics 13 Online
OpenStudy (anonymous):

Michael has a drawer with 8 pairs of black socks and 12 pairs of white socks. Without looking he takes a white pair of socks out of the drawer. What is the probability that the next pair he takes out is black?

OpenStudy (anonymous):

8 pairs of black socks/19 total pairs of socks Therefore, the probability is 8/19 = 42.1%

OpenStudy (anonymous):

What is the perimeter of ΔBDE?

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