# RE7 | openai/gpt-5.4-mini | run 1

## Prompt

A bat and a ball cost $1.10 together. The bat costs $1.00 more than the ball. How much does the ball cost?

## Response

The ball costs **$0.05**.

Let the ball cost \(x\). Then the bat costs \(x + 1.00\), and together:
\[
x + (x + 1.00) = 1.10
\]
\[
2x = 0.10
\]
\[
x = 0.05
\]

What would you like to solve next?
