YOU SAID:

there were 30 cows and 20 ate chickens. how many didn't?

INTO JAPANESE

30頭の牛と20羽の鶏が食べられました。いくつだ?

BACK INTO ENGLISH

Thirty cows and 20 chickens were eaten. How old are you?

INTO JAPANESE

30頭の牛と20羽の鶏が食べられた。何歳ですか。

BACK INTO ENGLISH

Thirty cows and 20 chickens were eaten. How old are you?