Question

Okey hear this. .... someone came into my shop and stole $100 from the register without my knowledge. The same person came back with the same $100 5 minutes later and he bought $70 in items and I give him back $30 change. How much money did I loose???

Answer 1

You lost 30 dollars. 

Answer 2

$30

Someone stole $100
they came back with the $100
bought $70 in items
You gave them $30
100-70=30
you lost $30