“If I give you a ten euro note, can you turn it into a 20 euro note for me? (or $1 bill to $5 bill, etc.)
“I’m sure that both you and I have heard this request zillions of times.
“If I give you a ten euro note, can you turn it into a 20 euro note for me? (or $1 bill to $5 bill, etc.)
“I’m sure that both you and I have heard this request zillions of times.