Eighteen tokens, each of which is either a subway token or a bus token, are distributed between a glass and a mug. If the mug contains a total of 3 tokens and at least one of each type of token, what is the total ratio of subway tokens to bus tokens?

(1) Exactly one of the 3 tokens in the mug is a bus token.
(2) The ratio of subway tokens to bus tokens in the mug is twice the total ratio of subway tokens to bus tokens.

[spoiler]OA=B[/spoiler]

Source: Princeton Review