A property agency handles rentals on a large apartment house that contains 150 identical units.When the rent is 800 per month all the units are occupied,Experience shows that for each 100 increase in rent per month on average 10 units become vacant.T

A property agency handles rentals on a large apartment house that contains 150 identical units.When the rent is 800 per month all the units are occupied,Experience shows that for each 100 increase in rent per month on average 10 units become vacant.T
A property agency handles rentals on a large apartment house that contains 150 identical units.When the rent is 800 per month all the units are occupied,Experience shows that for each 100 increase in rent per month on average 10 units become vacant.The cost of servicing an apartment is 250 per month when occupied.and a negligible amount if empty.The agency has fixed costs of 3000 per month .
1 write down a linear model of demand (q) in relation to rental charge (p)
2 how many apartment need to be rented out to break even if the rent is 800per month
3 if a rent of 1000 per month is charged for each unit how many units will be expected to be occupied and what then will be apartment house’s profit to the agency?

A property agency handles rentals on a large apartment house that contains 150 identical units.When the rent is 800 per month all the units are occupied,Experience shows that for each 100 increase in rent per month on average 10 units become vacant.T
一个地产代理处理一个包含150个相同的单位的大型公寓的租金.当租金是每个月800时候,一销售一空,经验表明,每月租金每增加100平均有10个单位空置.服务公寓的费用是每月250时占领.一个可以忽略不计,如果是空的.该机构拥有固定资产3000每月的费用.1写下来的需求租用费（P）2需要多少公寓租出去打破即使租金是800per月3如果每个单位收取租金每月1000线性模型（Q）多少个单位,将有望被占用,那么该机构将公寓的利润呢?

1. linear model of demand q in relation to the rental charge p
我理解这里的demand是指期望租出的公寓单元数量。
租金800时，150个单元全部租出。经验表明租金每上涨100，租房数量下降10
当租金为p时，p-800为租金上涨量，那么下降的租房数量为10*((p-800)/100)
期望租出的单元数...

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1. linear model of demand q in relation to the rental charge p
我理解这里的demand是指期望租出的公寓单元数量。
租金800时，150个单元全部租出。经验表明租金每上涨100，租房数量下降10
当租金为p时，p-800为租金上涨量，那么下降的租房数量为10*((p-800)/100)
期望租出的单元数量q = 150 - 10*((p-800)/100)，p大于等于800
2. 每租出一单元，服务成本250，每个月还另有3000的固定支出
当租金为800时，假设需要租出m个单元才能抵消支出，可以列出不等式：
800m >= 250m+3000，解出m>=5.5
所以，需要租出6个单元
3. 如果租金 p = 1000，期望租出单元数量q = 150 - 10*((p-800)/100) = 130
盈利为130*1000 - 130*250 - 3000 = 94500

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你的题在哪里

雷S我算了......乃翻译一下在发也可以撒。。。答案有人给了。。就在楼上

用中文写一篇啊

什么意思啊( ⊙ o ⊙ )

不知到啦

晕死……………