ANSWER
[tex]575\%[/tex]EXPLANATION
Given;
[tex]5\frac{3}{4}[/tex]To convert to percent, you need to convert the mixed fration into improper fraction Hence, we have;
[tex]\begin{gathered} 5\frac{3}{4}=\frac{23}{4} \\ \end{gathered}[/tex]now you multiply by 100
[tex]\begin{gathered} \frac{23}{4}\times100 \\ =23\times25 \\ =575\% \end{gathered}[/tex]The answer is
[tex]=575\%[/tex]