Answer :

[tex]85\% \ of \ x=20 \\\\ \frac{85}{100}*x=20 \\\\ \frac{17}{20}*x=20 \\\\ \frac{17}{20}=\frac{20}{x} \\\\ x=\frac{20*20}{17} \\\\ \boxed{x=\frac{400}{17}}[/tex]
hey mariamilcayla can you help me im stuck on maths