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