To find out how many pages Brian can read in 3.5 hours, we first determine his reading rate per hour.
Brian reads 80 pages in 2 hours:
- Reading rate = \( \frac{80 \text{ pages}}{2 \text{ hours}} = 40 \text{ pages per hour} \)
Now, to find out how many pages he can read in 3.5 hours:
- Pages read in 3.5 hours = \( 40 \text{ pages per hour} \times 3.5 \text{ hours} = 140 \text{ pages} \)
Therefore, the answer is: 140 pages
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