Here's the question you clicked on:
sonofa_nh
Make a 6 day schedule for a school with 25 students. Each day the students are divided in a different way into 5 groups of 5 students. Never are are two students in the same group more than one time during the week
Just figure out how you could express 25 as a sum of 5 distinct numbers.
I have to have 5 different parallel lines...
and i don't know how to construct it