Chapter SH, Problem 7.5.8EP

To determine

To calculate: To solve the problem using percent equation

Answer to Problem 7.5.8EP

  $54$ is $60\%$ of $90$

Explanation of Solution

Given information: Problem is $54$ is what percent of $90$

Formula Used:

Using percent equation,

  $part=percent\times whole$

Calculation:

Given problem is as follows:

  $54$ is what percent of $90$

Let the percent be $x$

Using percent equation

  $part=percent\times whole$

Substituting the values,

  $\begin{array}{l}54=x\%\times 90\\ 54=\frac{x}{100}\times 90\\ x=\frac{54}{90}\times 100\\ x=0.6\times 100\\ x=60\%\end{array}$

Conclusion:

Hence, $54$ is $60\%$ of $90$