Percent is given by th expression:
[tex]\text{Total}\cdot\frac{\text{percent}}{100}=\text{Equivalent number to the percent}[/tex]Then, we can substitute:
[tex]\begin{gathered} 500\cdot\frac{x}{100}=220 \\ 500x=220\cdot100 \\ x=\frac{22000}{500} \\ x=44\text{ percent} \end{gathered}[/tex]The ticket to Disneyland cost 44% of his savings
