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Mathematics, 09.12.2020 14:00 Gideon3291
In a bag of keys, there are 14 silver keys, 7 black keys, 10 copper keys, and 4 painted keys of various colors. One key is drawn out at random. What is the probability that the key that is drawn is silver or copper?
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In a bag of keys, there are 14 silver keys, 7 black keys, 10 copper keys, and 4 painted keys of vari...
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