Answer: Look at the key words in his story!
Step-by-step explanation: For Envy look for words like: Jealousy , Hate , etc
Greed: MORE, not that, etc
Pride: More positive words
Lies: Words that show he is lying
16= 6 ones or 16 ones
817= 8 hundreds and 7 ones or 17 ones
Hope this helps! :D