In 1 class consisting of 31 students. Then there were 15 students who took part in the mathematics competition, then there were also 13 students who took part in the science competition, and the remaining 7 students did not participate in any competitions. Then count how many students participated in the two competitions?
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Step-by-step explanation:
Total students=31.
15+13+7=35≠31
7 students didn't participate in any competition
Students participated in the two competitions:
31-7=24 students.
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