If Julio leads the Thursday afternoon session, then for how many of the other lab assistants can one determine which ...

Tyler808 on April 14, 2022

What is this question even saying?

Don't get it at all.

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Emil-Kunkin on April 19, 2022

Hi Tyler808,

This question is asking us if J is Thursday afternoon, how many of the other assistants do we know which place they go.

We know that O must be after J, so O must be on friday. Since J and K must be on the same day, we know that they have to go on Monday, although we do not know who was in the morning or afternoon. Additionally, since N must lead an afternoon session, the only open afternoon session if friday. So N must be Friday afternoon, O must be Friday morning, and O (the only one left) must fill the last open space, on Thursday morning. Since we don't know which of J/K is in the morning or afternoon, we know where three of them go.