You say "Ciento setenta y cinco" (See - ENT - aw -- set - ENT - ah -- ee -- SEEN - caw)
The above is the Latin American pronunciation.
The European Spanish pronunciation is the same, except that
'See.... and 'SEEN....' are pronounced 'Thee...' and 'THEEN....' ('th' as in 'thin', not 'the')
Vale 229,25 euros / 175 dólares
quince dólares.
Se dice ciento cincuenta dólares.
El vestido cuesta 115.
"three dollars" in spanish is: "tres dolares" three - tres dollars - dolares
Tienes quince dólares.
In Mexico the currency is pesos but if they are talking about something in dollars they would say dollars
Dólares americanos.
dieciseis dolares
"Yo tengo 15 años"
sietecientos ochenta dolares
quince keen-say
15
Cincuenta y tres dólares.
tienes cuarenta los dolares?
seis quince is the answer