YOU SAID:
How many people are in a class of thirty people.
INTO JAPANESE
30人のクラスに何人いますか。
BACK INTO ENGLISH
How many people are in a class of 30 people?
INTO JAPANESE
30人のクラスに何人いますか?
BACK INTO ENGLISH
How many people are in a class of 30 people?
You've done this before, haven't you.