That's helpful, thanks David! Is the answer 1/2?
The divisors are 1, 5, 23, 53, 5*23, 5*53, 5*23*53, 23*53.
4/8 probability.

Thanks Matt! I can't seem to figure that question out - my best guess is E. The equations I've set up are: Total liquid = 8X, with X being the # of ppl in the band. R+C = 8X, with R being the total amount of rum, and C being the total amount of coke. R/4 + C/6 = 8; this is the amount in Iggy's drink...

Does anyone know of any similar problems to this one, preferably from an Official Guide, that we can practice with? Thanks!

Can anyone recommend similar problems (preferably from one of the Official Guides) to this one that I can practice with?

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