The popcorn costs 8 - 3 = $<<8-3=5>>5.

The drink costs 5 + 1 = $<<5+1=6>>6.

The candy costs 6 / 2 = $<<6/2=3>>3.

The normal price is 8 + 5 + 6 + 3 = $<<8+5+6+3=22>>22.

Thus, the deal saves a customer 22 - 20 = $<<22-20=2>>2.

# Answer

2
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
A movie theater company is advertising a deal of a movie ticket, a bucket of popcorn, a drink, and a box of candy for $20. Normally, a movie ticket costs $8, a bucket of popcorn costs three dollars less, a drink costs a dollar more than popcorn, and a candy costs half as much as a drink. How many dollars does the deal save a customer who buys a ticket, popcorn, drink, and candy normally?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
2
A movie theater company is advertising a deal of a movie ticket, a bucket of popcorn, a drink, and a box of candy for $20. Normally, a movie ticket costs $8, a bucket of popcorn costs three dollars less, a drink costs a dollar more than popcorn, and a candy costs half as much as a drink. How many dollars does the deal save a customer who buys a ticket, popcorn, drink, and candy normally?
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