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1. A retail store accepts only Discover (D), Master (M) or VISA (V) credit card. A total of 32 percent of its customers carry D card, 75 percent M card, 65 percent V card, 15 percent D and M card, 27 percent D and V card, and 45 percent M and V card. What

匿名用户 最后更新于 2021-12-01 19:18 数学类Mathematics


1. A retail store accepts only Discover (D), Master (M) or VISA (V) credit card. A total of 32 percent of its customers carry D card, 75 percent M card, 65 percent V card, 15 percent D and M card, 27 percent D and V card, and 45 percent M and V card. What is the minimum possible percentage of customers that carry an acceptable credit card at the store?

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