All members of a class of 27 students participated in at least one event on sports day. 20 students participated in individual e
1 answer:
5 students took part in both individual and team events.
<h3>What is data?</h3>Data is information that has been translated into a form that is efficient for movement or processing. Relative to today's computers and transmission media, data is information converted into binary digital form. It is acceptable for data to be used as a singular subject or a plural subject.
Given:
Total students participated = 27
20 students participated in individual events
12 students took part in team events.
We have N(All students) = 27
N(individual) = 20
N(Team)= 12
So,
=20+12-27
=32-27
=5
Hence, 5 students took part in both individual and team events.
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Answer: For Ryan to get an average of exactly 91, she needs to get a 90 on her fifth quiz.
Step-by-step explanation:
You can find the average of a set of numbers by adding them together and dividing the sum by the amount of numbers added.
Ryan has five total quizzes. Only four of them are known, so we can represent her fifth quiz as X.
, dividing the five quizzes' sum by 5
She wants the average to be exactly 91, so you can set the expression equal to 91 and solve:
For Ryan to get an average of exactly 91, she needs to get a 90 on her fifth quiz.