The Solution:
We are asked to determine the percentage of 20 out of 225.
That is,
[tex]\frac{20}{225}\times100=\frac{20\times4}{9}=\frac{80}{9}=8.8889\approx8.889\text{\%}[/tex]Therefore, the correct answer is approximately 8.889%
Further explanation:
20 out of 225 gives the fraction: 20/225
To write this as a percentage, you have to multiply by 100.
[tex]\frac{20}{225}\times100=8.8889\text{ \%}[/tex]