Given that this problem takes very little time toSo in what way is your 'response' actually responding to any of the substantive issues about learning that had been raised? A copy of the points raised is pasted below my signature for ready reference.
solve (especially in a group), and that the students
had considerable time to solve it, and didn't, all
the scratch work will show is that the students where
lost at step 1. Or, in your words, most students
"guessed" wrong, and a couple students weren't
I was pointing out that you two are lost at step 1.:)