KA-0040
about 105sA drawer holds 10 red socks, 10 blue socks and 10 green socks, all mixed up in the dark. How many socks must you take out to be sure of having a matching pair?
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Needs an idea, not just a procedure.
3 in a row to finish this ladder.
0/4 solvedA drawer holds 10 red socks, 10 blue socks and 10 green socks, all mixed up in the dark. How many socks must you take out to be sure of having a matching pair?