1. The perimeter of a rectangle is 78 cm. The length is 3 greater than twice it

Algebra
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The perimeter of a rectangle is 78 cm.  The length is 3 greater than twice its width.  Find the dimensions

Jun 26th, 2015

Thank you for the opportunity to help you with your question!

Let the width be "w".
Then length = 2w+3.

The equation will be

P = 2(length + width)

  78= 2(2w+3+w)

36=3w+3

33 = 3w

width = 11cm

length will be 2x11+3 = 25cm

All the best

Please let me know if you need any clarification. I'm always happy to answer your questions.
Jun 26th, 2015

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Jun 26th, 2015
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Jun 26th, 2015
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