。
She's rich.
Literal
She [topic-は] rich is.
About as elementary as a Japanese sentence gets — topic-は + noun-predicate + です. The polite copula です ends the sentence; in casual speech it would be 金持ちだ (or even just 金持ち with rising intonation). Note that 金持ち is a noun, not an adjective — Japanese frequently expresses qualities as 'X is a wealthy-person' rather than 'X is wealthy,' since the language is rich in noun-predicate constructions.