An investigator interviewed 100 students to deter- mine their preferences for the three drinks; milk (M),...

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An investigator interviewed 100 students to deter- mine their preferences for the three drinks; milk (M), coffee (C) and tea (T). He reported the following: 10 students has all the three drinks M, C, T; 20 had M and C; 30 had C and T, 25 had M and T; 12 had M only; 5 had C only and 8 had T only. Using a Venn diagram, find how many did not take any of the three drinks? An investigator interviewed 100 students to deter- mine their preferences for the three drinks; milk (M), coffee (C) and tea (T). He reported the following: 10 students has all the three drinks M, C, T; 20 had M and C; 30 had C and T, 25 had M and T; 12 had M only; 5 had C only and 8 had T only. Using a Venn diagram, find how many did not take any of the three drinks?

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