The total cost of the entrees is 4 * $20 = $<<4*20=80>>80.

The total cost of the dinner is $80 + $10 = $<<80+10=90>>90.

The tip is $90 * 0.20 = $<<90*0.20=18>>18

The total cost with tip is $90 + $18 = $<<90+18=108>>108

# Answer

108
<|im_start|>system
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<|im_start|>user
Stefan goes to a restaurant to eat dinner with his family. They order an appetizer that costs $10 and 4 entrees that are $20 each. If they tip 20% of the total for the waiter, what is the total amount of money that they spend at the restaurant?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
108
Stefan goes to a restaurant to eat dinner with his family. They order an appetizer that costs $10 and 4 entrees that are $20 each. If they tip 20% of the total for the waiter, what is the total amount of money that they spend at the restaurant?
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