1.75美元:1.75 dollars ; one point seven five dollars; $1.75 0.85美元:0.85 dollars ; zero point eight five dollars ; $0.85 3.30美元:3.30 dollars ; three point three zero dollars; $3.30 13.40美元:13.40 dollars ; thirteen point four zero dollars; $13.40 20.0美元:20.0 dollars ; twentieth point zero dollars; $20.0 15.5美元:15.5 dollars ; fifteen point five dollars ; $15.5