Money Scam

Riddle: A man walks into a bar and buys 4 kegs of beer for 20 dollars. He leaves the bar without spending a single penny, how did he do this?

Answer: He paid a 20 dollar bill.

Source: https://www.riddles.com/index.php/4837

A man walks into a bar and buys 4 kegs of beer for 20 dollars. He leaves the bar without spending a single penny, how did he do this? — Money Scam by bobs v1.

Riddle: A man walks into a bar and buys 4 kegs of beer for 20 dollars. He leaves the bar without spending a single penny, how did he do this? Answer: He paid a 20 dollar bill. — by bobs v2.