Riddle: A guy walks into a store and steals a $100 dollars bill from the register without the owner’s knowledge. He then buys $70 worth of goods using the $100 bill and the owner gives $30 in change. How much money did the owner lose?
Answer: The correct answer is 100 dollars.
The $100 bill turned back to the owner. $70 worth of goods and the $30 in change, which makes for a total of $70 + $30 = $100. So, the owner has lost $100.