Chapter 6.1, Problem 20IP

To determine

Find the number of $80\%$ of $125$ .

Answer to Problem 20IP

The number of $80\%$ is $100$ .

Explanation of Solution

Given:

It is given in the question that the two numbers are given $80\%and125$ .

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 $80$ ,and the base is $125$ . Let a represent the number.

  $\begin{array}{l}\frac{a}{125}=\frac{80}{100}\\ a\cdot 100=125\cdot 80\\ a=\frac{125\times 80}{100}\\ a=\frac{10000}{100}\\ a=100\end{array}$

Conclusion:

The number is $100$ .