ScuddyG9591 ScuddyG9591

13-09-2017
Mathematics

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After polling a class of 24 students by a show of hands, you find that 9 students play soccer and 21 students play basketball. given that information, what is the number of students in the class who must play both soccer and basketball?

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flawlessdeathma flawlessdeathma

14-09-2017

The answer is 6 because 21+9=30 and 30-6=24 and 24 is the number of students in the class.

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