The PTA had $400 set aside.
They spent 1/4 * $400 = $100 on school supplies.
They had $400 - $100 = $300 left.
They then spent 1/2 * $300 = $150 on food for the faculty.
They had $300 - $150 = $150 left.
#### 150
The answer is: 150
Below is a math problem. Provide a detailed, step-by-step solution.

### Problem:
The PTA had saved $400 set aside after a fundraising event. They spent a fourth of the money on school supplies. Then they spent half of what was left on food for the faculty. How much money did they have left?

### Answer:
