YOU SAID:
How much does the car cost
INTO JAPANESE
どのくらいの車の費用がかかります
BACK INTO ENGLISH
How much cars cost
INTO JAPANESE
車はいくら
BACK INTO ENGLISH
How much is the car?
INTO JAPANESE
車はいくらですか。
BACK INTO ENGLISH
How much is the car?
You've done this before, haven't you.