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')
"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
dieciseis dolares
Dólares americanos.
sietecientos ochenta dolares
"Yo tengo 15 años"
quince keen-say
15
Cincuenta y tres dólares.
tienes cuarenta los dolares?
quince (pronounce kin-the)