There are a students in a school.If r% among the students are 12 years or younger, which of the following experessions represents the number of students who are older than 12%?

There are a students in a school.If r% among the students are 12 years or younger, which of the following experessions represents the number of students who are older than 12%?

A n(1-r)

B 100(1-r)

C n(1-r)/100

D n(100-r)/100

Solution

Correct Answer: Option D