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OpenStudy (anonymous):
The perimeter of a rectangle is 350ft and area 7500ft. What are the dimensions of the rectangle?
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OpenStudy (tkhunny):
Area = Length * Width Perimeter = 2*Length + 2*Width
OpenStudy (anonymous):
|dw:1351309165826:dw| This is a system of two equations, isn't it? xy = 7500 2x + 2y = 350 Can you go from there?
OpenStudy (anonymous):
so far i have 350/2 = L + W then L= 175 -W
OpenStudy (anonymous):
Yep, that is right. Now, you can substitute the value you found for L (175-W) into the other equation (L*W = 7500) and solve for W
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