Due to rumours that there was a world shortage of chewing gum, everyone was stocking up on packs. By the time I'd got to the store, they had sold out!
[Ref: ZNBH] © Kevin Stone
However, there were two people at the till who had already bought 4 and 5 packs respectively and they kindly offered to share their packs with me.
After the sharing, we all had the same number of packs each and I paid them $9 for my packs. How did they share the $9 between them?
Hint: The answer is not $4 and $5.
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