Store Robbery

Riddle: A robber came into my store and stole $100 from the register without my knowledge. A few minutes later, the same guy came back with the $100 he stole and purchased $70 worth of items and I gave him $30 in change. How much money did I lose?

Answer: I lost $100

Source: https://www.riddles.com/5655

A robber came into my store and stole $100 from the register without my knowledge. A few minutes later, the same guy came back with the $100 he stole and purchased $70 worth of items and I gave him $30 in change. How much money did I lose? — Store Robbery by legendary423 v1.

Riddle: A robber came into my store and stole $100 from the register without my knowledge. A few minutes later, the same guy came back with the $100 he stole and purchased $70 worth of items and I gave him $30 in change. How much money did I lose? Answer: I lost $100 — by legendary423 v2.