Here is a word problem you could use,
Sally has 21 students in her 5th grade class, but Alyssa has less than or equal to the amount of kids Sally has in her 5th grade class. Represent the amount of kids Alyssa has using variable p. How many kids does Alyssa have in her class compared to Sally.
Hope this helps! - Alyssa
(P.S It would mean a lot if you marked my answer as Brianliest answer I am trying to get a higher ranking, Thanks!)