Chapter 7.1, Problem 50HP

To determine

Calculate methods to write as a percent, $\frac{4}{5}$

Answer to Problem 50HP

  $\frac{4}{5}$ can be written in percent as, 80% and 0.8.

Explanation of Solution

Given:

  $\frac{4}{5}$

Calculations:

Here, we have to simplify the given fraction into decimal.

We get,

  $\begin{array}{l}\frac{4}{5}=0.8\\ =0.8\times 100\\ \frac{4}{5}=80\%\end{array}$

Or else, by multiplying numerator and denominator by 20, we get

  $\frac{4}{5}=\frac{4}{5}\times \frac{20}{20}=\frac{80}{100}=80\%$

Conclusion:

Therefore, there are two methods to write $\frac{4}{5}$ as a percent is 80% or 0.8