Answer:
800 pencils.
Explanation:
We have been given that 5 students each brought in 8 boxes with 10 pencils per box.
The number of pencils in this group would be
pencils.
Further, we are told that 10 students each brought in 8 boxes with 5 pencils per box.
The number of pencils in the 2nd group would be
pencils.


Therefore, the students bring in 800 total pencils.