Chapter SH, Problem 7.5.12EP

To determine

To calculate: To solve the problem using percent equation

Answer to Problem 7.5.12EP

  $36.45$ is $45\%$ of $81$

Explanation of Solution

Given information: Problem is $36.45$ is what percent of $81$

Formula Used:

Using percent equation,

  $part=percent\times whole$

Calculation:

Given problem is as follows:

  $36.45$ is what percent of $81$

Let the percent be $x$

Using percent equation

  $part=percent\times whole$

Substituting the values,

  $\begin{array}{l}36.45=x\%\times 81\\ 36.45=\frac{x}{100}\times 81\\ x=\frac{36.45}{81}\times 100\\ x=0.45\times 100\\ x=45\%\end{array}$

Conclusion:

Hence, $36.45$ is $45\%$ of $81$