Chapter 6.3, Problem 11IP

To determine

Calculate the percent of $8$ in $40$ by using percent equation.

Answer to Problem 11IP

The percent is $20\%$ .

Explanation of Solution

Given:

It is given in the question that the numbers are $8and40$ .

Concept Used:

In this, use the concept of percent equation and the equation is $Part=Percent\cdot Whole$ .

Calculation:

In this, the part and the whole are given, looking for a part. Let p represent percent.

  $\begin{array}{l}Part=Percent\cdot whole\\ 8=p\cdot 40\\ \frac{8}{40}=\frac{40p}{40}\\ \frac{1}{5}=p\\ p=0.2\times 100\\ p=20\%\end{array}$

Conclusion:

The percent is $20\%$ .