The 10 tumblers amount to $45 x 10 = $<<45*10=450>>450.

Mrs. Petersons paid $100 x 5 = $<<100*5=500>>500.

So, her change will be $500 - $450 = $<<500-450=50>>50.

# Answer

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<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
Mrs. Petersons bought 10 tumblers for $45 each. She paid with five $100 bills. How much change will Mrs. Petersons receive?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
50
Mrs. Petersons bought 10 tumblers for $45 each. She paid with five $100 bills. How much change will Mrs. Petersons receive?
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