Chapter 6.1, Problem 4GP

To determine

Find the number of $20\%$ which is $9$ .

Answer to Problem 4GP

The number of $20\%$ is $45$ .

Explanation of Solution

Given:

It is given in the question that the two numbers are given $20\%and9$ .

Concept Used:

In this, use the concept of percent proportion such that the ratio of given two number will equal to the ratio of $p/100$ .

Calculation:

Here,

The percent is $20$ . Let b represent the number.

  $\begin{array}{l}\frac{9}{b}=\frac{20}{100}\\ 9\cdot 100=b\cdot 20\\ b=\frac{9\times 100}{20}\\ b=\frac{900}{20}=45\end{array}$

Conclusion:

The number is $45$ .