Question

a lady stole 100 dollars from a cash register. came back in 5mins, and spent 70 dollars worth of merchandise ,and received 30 dollars change. how much did the store lose

Answer 1

We do not know the exact anwser to that since we don't know the profit and theft margins and the fixed and variabel costs.

But if we do not count the above, 100 dollar

Answer 2

30 dollars
If she received 30 dollars in change then she paid with a 100 dollar bill