Final answer:
225% is equivalent to 2.25 in decimal form, 225/100 or 9/4 as a fraction (which is also 2 1/4 as a mixed number), and 225:100 or 9:4 as a ratio.
Step-by-step explanation:
225% can be expressed in several equivalent forms.
Decimal Form
To convert a percent to a decimal, you divide by 100. Therefore, 225% as a decimal is 2.25.
Fraction Form
To convert a percent to a fraction, you place the percent number over 100 and simplify if possible. 225% as a fraction is 225/100 which simplifies to 9/4 or 2 1/4 in mixed number form.
Ratio Form
A percentage can also be seen as a ratio with a denominator of 100.
Thus, 225% can be written as the ratio 225:100, which simplifies to 9:4.