In The Greatest Showman there's a song set in a bar where PT and Philip are negotiating whether or not Philip will join the show, and there is a lyric I don't understand.
First they're singing about percentages "I wasn't born this morning, eighteen will be just fine" and then they say something about the nickel in a dime?
I'm not American but I know that a dime is a coin? Is there a certain amount of nickel in it? What does this line mean?