Mathematics, 22.08.2021 16:50 Kjswagout40081
in a class of 80 students in Debre Berhan university,45 good in mathematics,15 are good in both Mathematics and English,13 are good in both Mathematics and Psychology, 16 are good in both in English and psychology,20 are good in Psychology and 9 are good in both of the three courses A, how many students are good in mathematics only? B, how many students are not good in any of three courses?
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in a class of 80 students in Debre Berhan university,45 good in mathematics,15 are good in both Math...
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