28 (27) = 756

There are 28 students in the class and they give a valentine to other students. Of course they don't need to give themselves a valentine so we just multiply it to 28.

I hope that you'll mark my answer as brainliest if it helped you with your assignment.
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Naku naman... nasa isang linggo na itong tanong ko ngayon lang nasagot :( pero tignan natin... kung wala ng ibang sumagot nitong tanong ko, edi i-mark ko na po.! thanks btw! :)