Abigail builds 1 fence every 30 minutes, so in 8 hours, she can build 8 x 60 minutes / 30 minutes per fence = 16 fences.
Therefore, Abigail would have built a total of 10 + 16 = 26 fences.
#### 26
The answer is: 26
Below is a math problem. Provide a detailed, step-by-step solution.

### Problem:
Abigail built 10 fences. Each fence took her 30 minutes to build. If she builds fences for the next 8 hours, how many fences would she have built in total?

### Answer:
