Which statement shows that money is a “measure of value?”

This bill is worth twenty dollars.

My mp3 player is worth two hundred dollars.

I only paid ten dollars for it!

The more gigabytes it has, the more it is worth.

Question

Which statement shows that money is a “measure of value?”

 This bill is worth twenty dollars.

 My mp3 player is worth two hundred dollars.

 I only paid ten dollars for it!

 The more gigabytes it has, the more it is worth.

anonymous · Answer

I'd go with the last, but it could be the first and second.
If you know the answer, I'd appreciate you letting me know :D

anonymous · Answer

It's most B.