YOU SAID:
I wonder how long this would take
INTO JAPANESE
これがどのくらいかかるのだろうか
BACK INTO ENGLISH
I wonder if this is how long it takes
INTO JAPANESE
これはどのくらいかかるかしら
BACK INTO ENGLISH
How much does it cost?
INTO JAPANESE
それはどれくらいしますか?
BACK INTO ENGLISH
How much is it?
INTO JAPANESE
いくらですか?
BACK INTO ENGLISH
How much is it?
That didn't even make that much sense in English.