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Sagot :
Using proportions, it is found that the number of chaperones that the school needs is given by:
B. 8.
What is a proportion?
A proportion is a fraction of a total amount, and the measures are related using a rule of three.
In this problem, 2 chaperones are needed for every 25 students. How many are needed for 100 students? The rule of three is given by:
2 chaperones - 25 students
n chaperones - 100 students
Applying cross multiplication:
25n = 2 x 100
n = 200/25
n = 8.
Hence option B is correct.
More can be learned about proportions at https://brainly.com/question/24372153
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