The price of the book is down by: 100*0.2 = $<<100*0.2=20>>20.

So the new price of the movie ticket is: 100 - 20 = $<<100-20=80>>80.

# Answer

80
Question:
Last week, the price of a movie ticket was $100. This year the price is down by 20%. What's the new price of the movie ticket?
Answer:
Let's think step by step.

user
80
Last week, the price of a movie ticket was $100. This year the price is down by 20%. What's the new price of the movie ticket?
train