SOLUTION: the length of a rectangle is 15cm less than 3 times the width with a perimater of 34cm. what are the length and width?
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Question 799760: the length of a rectangle is 15cm less than 3 times the width with a perimater of 34cm. what are the length and width?
Answer by Cromlix(4381) (Show Source): You can put this solution on YOUR website!
Width = x
Length = 3x - 15
Perimeter = 2*width + 2*length
34 = 2*x + 2*(3x - 15)
34 = 2x + 6x - 30
Collect like terms:
8x = 64
x = 8
Width = 8cm
Length = 9cm
Hope this helps.
:-)
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