I’ve tried so many things but I can’t find the Answer

Answer:
[tex]let \: that \: be \: \: x \\ 20\% \: of \: x \: is \: 6 \\ \frac{20}{100} \times x = 6 \\ 20x = 600 \\ x = 30[/tex]
30
20 percent (calculated percentage %) of what number equals 6? Answer: 30.