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YoUr_KiLLeR
United States3420 Posts
the floor plan looks like this: http://lemontreaux.com/print-floorplan.php?UTypeID=8877 our cousin is taking the 13x10 room and paying 1/3 of the rent. my brother is willing to pay extra to have the 19x14 room while i take the 12x12 room. how much should he pay compared to me? our rent is $1310/month total. thanks for any suggestions on how to split this, we're not sure whats fair.  | ||
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Megaliskuu
United States5123 Posts
Cousin:130sq ft $314.6 Brother: 266sq ft $643.72 You:144sq ft $348.38 I don't think thats how people normally do it, ur bro would be paying twice as much..but his room is twice as big...Yah I really have no idea xD | ||
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Cambium
United States16368 Posts
So you have 130 - 130/540 * 1310 = 315 266 - 266/540 * 1310 = 645 144 - 144/540 * 1310 = 350 The problem with splitting rent based on size, from a game theory perspective, is that, you are assuming linear growth in utility with respective to room size (assuming money and utility are linear for trivial amounts), which is definitely not true. ninja'd =.= An alternative to do this is you bid on the rooms. You start with the biggest room, and it goes to the highest bidder; then you move to the next largest. | ||
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Megaliskuu
United States5123 Posts
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syntox
Australia26 Posts
On July 08 2011 16:38 Megaliskuu wrote: If you went purely by square footage of rooms you get this: Cousin:130sq ft $314.6 Brother: 266sq ft $643.72 You:144sq ft $348.38 I don't think thats how people normally do it, ur bro would be paying twice as much..but his room is twice as big...Yah I really have no idea xD On July 08 2011 16:42 Cambium wrote: The easiest way to do it is by the areas of the rooms you occupy (assuming everything else is shared) So you have 130 - 130/540 * 1310 = 315 266 - 266/540 * 1310 = 645 144 - 144/540 * 1310 = 350 The problem with splitting rent based on size, from a game theory perspective, is that, you are assuming linear growth in utility with respective to room size (assuming money and utility are linear for trivial amounts), which is definitely not true. ninja'd =.= An alternative to do this is you bid on the rooms. You start with the biggest room, and it goes to the highest bidder; then you move to the next largest. Both of you are forgetting that the cousin is paying 1/3 -> $436.67 | ||
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YoUr_KiLLeR
United States3420 Posts
as for calculating it by square footage, we tried that and arrived at the same conclusion as cambium, that utility doesnt grow linearly with respect to square footage and that my brother would be paying an unfairly high amount. | ||
Kiante
Australia7069 Posts
without doing any maths myself, and seeing those values in the upper posts and the plan, along with the condition of the 13x10 user paying 1/3 flat. you have 2/3 of the rent left to pay. theres probably like double the living area than that master bedroom if u include everything. so uhh, split it 65/35 on the last 2/3 so 567 for him, 305 for you. should be fair enough. maybe go 60/40 if he doesn't agree. or do proper maths. but going directly on room size without incorporating the common area is silly. | ||
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DusTerr
2520 Posts
house total 1350 3 bedrooms 130+144+266 = 540 shared area 1350-540 = 810 (270 per person) brother's area 270+266 = 536 (56%) your area 270+144 = 414 (44%) rent $1310 cousin paying $437 brother's share $873*56% = $489 your share $873*44% = $384 | ||
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Cambium
United States16368 Posts
On July 08 2011 16:57 YoUr_KiLLeR wrote: yea we've all agreed on the cousin paying 1/3. as for calculating it by square footage, we tried that and arrived at the same conclusion as cambium, that utility doesnt grow linearly with respect to square footage and that my brother would be paying an unfairly high amount. assuming both of you have agreed to live together regardless of what happens, just bid on it, say $10 increments, it's the easiest way | ||
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huameng
United States1133 Posts
Utility of living space doesn't increase linearly, but I don't think it necessarily always goes slower than linearly either, (a 2x2 bedroom is not worth 4x a 1x1 bedroom) so I'm not sure if something like sqrt(bedroom) gives a good answer. That gives about the same answer though, which is clearly a sign from above that the answer is right. On July 08 2011 17:15 Cambium wrote: assuming both of you have agreed to live together regardless of what happens, just bid on it, say $10 increments, it's the easiest way This would probably work here but I think it breaks down if someone cannot afford to pay an even split of the rent. It'd be good to figure out what is fair in general so someone knows if they could reasonably expect to live in this apartment for $350/month. | ||
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Gnial
Canada907 Posts
On July 08 2011 17:14 DusTerr wrote: Here's my math for this using 1/3 of combined living area + bedroom area. house total 1350 3 bedrooms 130+144+266 = 540 shared area 1350-540 = 810 (270 per person) brother's area 270+266 = 536 (56%) your area 270+144 = 414 (44%) rent $1310 cousin paying $437 brother's share $873*56% = $489 your share $873*44% = $384 This is the method I would use. I think it is the most accurate (unless you consider bedroom space more valuable than regular living area space, or vice versa...) 100 dollar difference seems reasonable for room size differences of that magnitude. | ||
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RubiksCube
Germany259 Posts
0,9703 per unit. Units per person: 270 (shared) + Room Cousin: 400 Brother: 536 You: 414 Basically, if you want to be really fair, you should not let your cousin pay 1/3 of the rent, but share the rent in: Cousin: 388,148 $ Brother: 520,118 $ You: 401,73 $ | ||
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