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11 October, 10:45

In a bag of keys there are 14 silver keys, 6 black keys, 10 copper keys and 2 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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  1. 11 October, 11:50
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    In total there are 32 keys.

    There 24 silver and copper keys so the probability of one being drawn is 24/32

    Now just simplify

    24/32 = 12/16 = 6/8 = 3/4
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