Write 0.5% as a fraction

Question

1/2
1/20 ••
1/200
1/500

Write 3 3/5 as a percent

360% ••
335%
36.0%
33.5%

Answer 1

first wrong.
second has no answer, as one can't write a percent unless one knows the base.

Answer 2

.5%
= .5/100
= 5/1000
= 1/200

3 3/5
= 3.6
= 360%

Answer 3

Number two is 360 % and number 1 is 1/200.