In a certain school 20 of students are below 8 years of age The number of students above 8 years of ...........

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In a certain school, 20% of students are below 8 years of age. The number of students above 8 years of age is 2/3rd of the number of students of 8 years of age which is 48. What is the total number of students in the school?

100

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Explanation:

Let the total students be x
20% students are below 8 years.
i.e. students of above 8 years of age = 80% of total students.
Students above 8 years of age = 2/3 x 48 = 2 x 16 = 32
80% of x = 48 + 32 = 80.
⇒ x = 100