Answer :
0.20 is the answer is because there is 5 parts in this fraction and 0.20 times 5 is 1 and a fraction is from the whole number 1.
[tex]method\ \#1:\\\\\frac{1}{5}=\frac{1\cdot2}{5\cdot2}=\frac{2}{10}=\boxed{0.2}\\\\method\ \#2:\\\\\frac{1}{5}=1:5\ (divide\ 1\ by\ 5)\ \to look\ at\ the\ picture[/tex]