SOLUTION: The length of a rectangle is 7 centimeters less than twice its width.The perimeter of the rectangle is 34 cm. What are the demensions of the rectangle?
Algebra.Com
Question 250396: The length of a rectangle is 7 centimeters less than twice its width.The perimeter of the rectangle is 34 cm. What are the demensions of the rectangle?
Answer by mathitutor(25) (Show Source): You can put this solution on YOUR website!
Let the width = x
Then the length = 2x - 7
Hence the perimeter = 2x + 2(2x-7) = 34
=> 2x + 4x - 14 = 34
=> 6x = 34 + 14
=> 6x = 48
=> x = 48/6
=> x = 8
Hence the width = 8 cm
length = 2x8 - 7 = 16 - 7 = 9 cm
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