How many of the commercials are there any one of which could be aired last?

BenMingov on May 6, 2020

Hi Audrey, thanks for the question!

Only two of the variables could be last because both F and S come before T, meaning that neither F nor S could be last.

And P comes before G, meaning that P cannot be last. This leaves only T and G to be last.

I hope this helps. Please let me know if you have any other questions or would like me to elaborate further!