If J, O, and Y are the first three concertos to be played, not necessarily in the order given, which one of the follo...

yckim2180 on June 8, 2021

Please help

Could you please explain why X cannot be on the 5th given that one of R's concertos, O, is one of the three (JOY) we can put on the 1st week?

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Emil-Kunkin on December 3 at 03:24PM

The fourth rule tells us that j will come before o in this scenario, so o cannot be first.