Question

In the annual sports competition, 20% of the students ran in the 100 meters, 15% of the students ran in the 200 meters and 10% of the students entered the long jump competition. If the number of students in the school is 780, how many students did not enroll in the competition. (No contestants named the two together).​

Answer 1

Answer:

Step-by-step explanation:

20%780=156

15%780=117

10%780=78

5%780=39

total participated=156+117+78+39=390

780-390=490 not enrolled

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