Can you provide an in-depth solution for: Stella wanted to buy a new dress for the upcoming dance.  At the store she found out that the dress she wanted was $50.  The store was offering 30% off of everything in the store.  What was the final cost of the dress?Hey there, could you help me solve this math problem: Stella wanted to buy a new dress for the upcoming dance.  At the store she found out that the dress she wanted was $50.  The store was offering 30% off of everything in the store.  What was the final cost of the dress?