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Mathematics 7 Online
OpenStudy (anonymous):

A real estate company owns 180 apartments which are fully occupied when the rent is $300 per month. The company estimates that for each $10 increase in rent, five apartments will become unoccupied. What rent should be charged in order to obtain the largest gross income?

OpenStudy (anonymous):

@ghazi

OpenStudy (ghazi):

this is good lol

OpenStudy (anonymous):

do you know how to do it?

OpenStudy (anonymous):

i was told to set it up as \(Revenue=(180-5x)*(300+10x) \) but i dont know why and i dont know how to do this either

OpenStudy (anonymous):

where x is the number of $10 increases

OpenStudy (ghazi):

see, i think with each increase of $10 5 apartment is unoccupied so is the number of apartment unoccupied therefore revenue = (180-5x)*(300+10x) which means increase in $10 would just reduce 5 number of flats but will increase the gross revenue

OpenStudy (anonymous):

okay but when i solve that i get 2.9999 for x

OpenStudy (ghazi):

what was your revenue

OpenStudy (anonymous):

when i solve it i get $54,450

OpenStudy (anonymous):

is that correct?

OpenStudy (ghazi):

yes, it seems correct

OpenStudy (anonymous):

okay how can i check my answer?

OpenStudy (ghazi):

well, sorry honestly i have no idea about this

OpenStudy (anonymous):

okay no prom...thanks though :) ....@precal ?

OpenStudy (anonymous):

@precal

OpenStudy (precal):

is this business calculus?

OpenStudy (anonymous):

its precalc

OpenStudy (precal):

sorry, do not have a clue

OpenStudy (anonymous):

:\ ...okay

OpenStudy (anonymous):

nevermind guys..i got it...i think.....watever

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