YOU SAID:
what percent of its mass is chocolate?
INTO JAPANESE
その質量の何パーセントがチョコレートですか?
BACK INTO ENGLISH
What percentage of its mass is chocolate?
INTO JAPANESE
その質量の何パーセントがチョコレートですか?
BACK INTO ENGLISH
What percentage of its mass is chocolate?
You've done this before, haven't you.