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OpenStudy (anonymous):
An apartment building contains 12 units consisting of one- and two bedroom apartments that rent for $360 and $450 per month, respectively. When all units are rented the total monthly rental is $4950, what is the number of two bredroom apartments? A. 3 B.4 C. 5 D. 6 E. 7
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OpenStudy (dogzcatz):
E
OpenStudy (anonymous):
how you know that @DogzCatz
OpenStudy (dogzcatz):
360x+5400-450x=4950 -90x=-450 x=5 y=12-5=7
OpenStudy (anonymous):
where did you get 5400 from?
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