I think this in theory is a really simple one but its driving me mad ! lol.
Basically - looking at how you'd divide rents based on the cost/amount of people. Essentially, someone has said they will take the smallest room - if they pay £5 less a month, and the amount of people in the house is either going to be 3 or 4 - if its 4, the 2 in the smallest rooms should pay £5 less than those in the 2 bigger rooms (who pay the same).
Sounds really simple, but I can't get it to work reliably. So essentially.... dividing a total cost by either 3 or 4.... but ensuring the difference is always £5 in total :-|
Any help with a formula would be massively appreciated.
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