# RE2 | openai/gpt-5.6-luna | run 2

## Prompt

After a 20% discount, a jacket costs $40. What was the original price? Show your work.

## Response

After a 20% discount, the jacket costs 80% of its original price.

\[
0.80x = 40
\]

\[
x = \frac{40}{0.80} = 50
\]

**Original price: \(\$50\)**
