Duane gave Lana half of the 42 pages in his binder, so Lana received 42/2 = 21 pages from Duane.
Lana initially had 8 pages in her binder, so after adding Duane's pages, she now has 8 + 21 = 29 pages in her binder.
#### 29
The answer is: 29
Below is a math problem. Provide a detailed, step-by-step solution.

### Problem:
After realizing she only had 8 blank pages left in her binder, Lana decided to get more pages for her next class. Duane generously gave her half of the 42 pages in his binder. How many pages does Lana have in her binder now after adding Duane's pages?

### Answer:
