1 pizza divided equally among 2 people
The share of each one is half
[tex]\frac{1}{2}[/tex]To change the fraction to a decimal make the denominator = 10
So multiply the two parts of the fraction by 5
[tex]\frac{1\times5}{2\times5}=\frac{5}{10}=0.5[/tex]To change it to percentage multiply 1/2 by 100%
1/2 * 100% = 100/2 % = 50%