Question

20 over 6 equals what over 3

Answer 1

10 over 3 because if tou multiply 20 over 6 times 2 it is 10 over 3 :)

Answer 2

ok, that is a proportion so it will help to set it up

20 x
--- = ---
6 3

to solve this cross multiply and divide
3 times 20=60
60 divided by 6=10

x=10