"La Cuesta" is Spanish, not Italian, and it means "the hill" or "the slope" in English.
How much does it cost
It all depends on what you want "carpeta" to mean. Normally, this means "file" or "folder", but could mean a writing desk or table cover. "¿Cuánto cuesta la carpeta?" already is a sentence, meaning "How much is the file?" If you meant the English word 'carpet', that's 'alfombra' in Spanish. 'Cuanto cuesta/vale la alfombra?' means 'How much is the carpet?'
As written, it means "cost the t shirt". If you want to say "how much does the t shirt cost?", then you would use "¿Cuánto cuesta la camiseta?"
¿Qué es la cuesta?
¿Cuanto cuesta el vestido?
The Spanis phrase is "Cuánto cuesta?"
It means, A (or the) dictionary cost 40 US dollars.
'cuanto' means 'how much,' both as a question and as a declarative statement.¿Cuánto cuesta? = How much does it cost?Nadie sabe cuanto vale. = No one knows how muchit's worth.
"¿Cuánto es?" Or "¿Cuánto cuesta?" (How must does it cost?)
"Cuanto cuesta" means "how much does it cost?"
How much does this cost? - ¿Cuánto cuesta esto?