At North High school, a survey asked two questions, Question A and Question B. For each question, students could answer withered “yes” or “no”. Of the 800 students who responded to the survey, 720 answered “yes” to Question A, and 640 answered “yes” to Question B. What is the LEAST possible answer of these students who could have answered”yes” to BOTH questions?

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01-10-2022
Mathematics

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At North High school, a survey asked two questions, Question A and Question B. For each question, students could answer withered “yes” or “no”. Of the 800 students who responded to the survey, 720 answered “yes” to Question A, and 640 answered “yes” to Question B. What is the LEAST possible answer of these students who could have answered”yes” to BOTH questions?

Sagot :

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