Chapter 6.2, Problem 51IP

To determine

Find the number of twelfth grader participated in the school.

Answer to Problem 51IP

The number of students participated in the arts are $180$ .

Explanation of Solution

Given:

It is given in the question that there are total of $1800$ students in the school in which one fourth are the twelfth students and the percentage of students participated are $41\%$

Concept Used:

In this, use the concept of doing estimation by rounding off the number to simpler numerals.

Calculation: Here, the number of twelfth students = $1800/4=450$ .

It has to round off the number, $41\%$ is nearly comes to $40\%$ .

So,

  $\begin{array}{l}40\%of450\\ 40\%=\frac{40}{100}\\ =\frac{40}{100}\times 450\\ =180\end{array}$

Conclusion:

The total students that will participated are $180$ .