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Mathematics 18 Online
OpenStudy (anonymous):

MEDAl FOR THE BEST ANSWER A box contains twenty cards numbered 1 through 20. One card is to randomly drawn from the box. What is the probability that the card drawn will show a multiple of 4, a multiple of 7, or a multiple of 9? A. 9/20 B. 3/20 C. 1/20 D. 1/3

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