SOLUTION: The length of a rectangle is 4cm less than 6 times its width and its perimeter is 20cm ,find the dimensions of the rectangle.

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Question 1054038: The length of a rectangle is 4cm less than 6 times its width and its perimeter is 20cm ,find the dimensions of the rectangle.
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
L=6W-4
and
P=2L%2B2W=20
L%2BW=10
Substituting,
6W-4%2BW=10
7W=14
W=2cm
Then,
L=6%282%29-4
L=12-4
L=8cm