1. I found a lucky greenback on the sidewalk today.
2. The cashier handed me my change in greenbacks.
3. My grandmother keeps her savings in a jar full of greenbacks.
4. The suspect was caught trying to pass counterfeit greenbacks.
5. I prefer to use greenbacks instead of credit cards when traveling abroad.
6. The vending machine only accepts greenbacks as payment.
7. The man at the flea market was selling antique greenbacks.
8. The bank teller counted out the greenbacks slowly and meticulously.
9. The politician was accused of accepting bribes in greenbacks.
10. I always keep a few greenbacks in my wallet for emergencies.