Mathematics, 16.02.2020 14:47 ericb6939
Among the 250 regular customers of a shop,149 of them regularly buy product A,131 customers regularly buy product B. if 20 of the customers buy neither of the products, the what is the number of customers that regularly buy only product A.
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Among the 250 regular customers of a shop,149 of them regularly buy product A,131 customers regularl...
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