A group of roommates decide to split the cost of a new sofa. If s is the cost of the sofa and n is the number of roommates, the formula C=5/n determines each person’s share of the cost. If the new sofa costs $955 and 4 roommates live in the house, what is each person’s share?
A.
$382.00
B.
$238.75
C.
$221.25
D.
$95.50
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OpenStudy (alivejeremy):
i gave u a medal to
OpenStudy (study_together):
Okay so what do you think is the right answer?
OpenStudy (alivejeremy):
i have no idea
OpenStudy (study_together):
It has to be 238.75, right
OpenStudy (study_together):
Because, if you divide 955 by 4, you get 238.75
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OpenStudy (alivejeremy):
true
OpenStudy (study_together):
BTW what grade question is this
OpenStudy (alivejeremy):
7th and 8th
OpenStudy (study_together):
This is so easy, you get it right..
OpenStudy (alivejeremy):
yea what grade u in
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OpenStudy (study_together):
I am in 8th grade
OpenStudy (alivejeremy):
oh lol same
OpenStudy (study_together):
Well, I am in Math Honors
OpenStudy (alivejeremy):
The formula S=p/n gives the formula for the side length s of a regular polygon with n sides and perimeter P. A regular octagon has 8 equal sides.
What is the side length of a regular octagon with a perimeter of 25.6 in.?
OpenStudy (study_together):
Can you post it as a new question?
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