Question

Convert $4\mathbf{:}5$ into a percentage

Answer 1

Converting the ratio into a percentage:

To convert a fraction into percentage, multiply it by $100$

$$\begin{gathered} 4\mathbf{:}5=\frac{4}{5}\times 100 \\ =80\% \end{gathered}$$

Hence $80\%$ is the percentage of $4\mathbf{:}5$.