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Mathematics 18 Online
OpenStudy (anonymous):

A rectangle is 9cm longer than it is wide. The width is one seventh of the perimeter. Find the perimeter

OpenStudy (anonymous):

A rectangle's what is 9 cm longer?

OpenStudy (sasogeek):

obviously length because it states that longer than width, a rectangle only has a length and a width so yeah ;) :P

OpenStudy (anonymous):

length is X+9 width is x

OpenStudy (anonymous):

it could be perimeter or 2 lengths or anything

OpenStudy (sasogeek):

true

OpenStudy (anonymous):

2/7 (2x + 9) = x

OpenStudy (anonymous):

4x + 18 = 7x 3x = 18 x = 6

OpenStudy (anonymous):

is the length 15

OpenStudy (anonymous):

thanks moneybird

OpenStudy (anonymous):

yes

OpenStudy (lilg132):

my bad yes

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