SOLUTION: The length of a rectangular enclosure is twice its width. The perimeter of the enclosure is 180 meters. Write down two simultaneous equations and use Cramer's rule to determine t

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Question 1122480: The length of a rectangular enclosure is twice its width. The perimeter of the enclosure is 180 meters. Write down two simultaneous equations and use Cramer's rule to determine the length and the width of the enclosure
Answer by josgarithmetic(39623) About Me  (Show Source):
You can put this solution on YOUR website!
x, width
2x, length
2x%2B2%2A2x=180
Cramer's Rule when only one equation in one variable is needed?

x=30----width
60-----length