SOLUTION: The breadth of a rectangle is 3k cm. It's length is 4 times its breadth. Express the perimeter of the rectangle in terms of k in the simplest form. ( The k is not 1000,its a algebr

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Question 1013206: The breadth of a rectangle is 3k cm. It's length is 4 times its breadth. Express the perimeter of the rectangle in terms of k in the simplest form. ( The k is not 1000,its a algebra letter)
Answer by ikleyn(52776) About Me  (Show Source):
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The breadth of a rectangle is 3k cm. highlight%28Its%29 length is 4 times its breadth.
Express the perimeter of the rectangle in terms of k in the simplest form. ( The k is not 1000, highlight%28it_is%29 an algebra letter)
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If the breadth is 3k cm, then its length is 4*3k = 12k cm, according to the condition.

The perimeter is the sum of four sides, i.e.
3k + 12k + 3k + 12k = 30k centimeters.