The perimeter of a rectangle is 52. If its length is 2 more than 3 times its width, find the dimensions of the rectangle.
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OpenStudy (dan815):
hello so
if x = length of rectangle and y=width of rectangle then
2x+2y=52, as there are 2 lines of each
and
2 more than 3 times its width is length so
x=3y+2
----------------
solve these 2 equations
2x+2y=52
x=3y+2
OpenStudy (paki):
@dan815 nice explanation man...
OpenStudy (anonymous):
first one is 26
OpenStudy (dan815):
width or length?
OpenStudy (dan815):
if you found one you can plug in and find the other
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OpenStudy (dan815):
Are you familiar with solving system of equations?
OpenStudy (anonymous):
width
OpenStudy (anonymous):
its 26 @dan815 ?
OpenStudy (dan815):
Solve this to find out:
2x+2y=52
x=3y+2
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OpenStudy (dan815):
since you know x in terms of y, sub that into equation 1 and solve for y
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