Answer:
26 weeks
Explanation:
If you consider one case of paper then it has 8 reams.
So, if there are 5 cases of printer paper, then it will be equivalent to (5×8) =40 reams of paper.
Now, it is given that within 2 weeks in the school's computer lab 3 reams of printer paper are used.
Therefore, 40 reams i.e. 5 cases of paper will be used in (
) = 26.67 weeks ≈26 weeks. (Answer)