SOLUTION: the perimeter of a rectangle is 36 m. the length is 3 m more than twice the width. find the dimensions what is the length? - m what is the width? - m

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Question 224752: the perimeter of a rectangle is 36 m. the length is 3 m more than twice the width. find the dimensions
what is the length? - m
what is the width? - m
Answer by drj(1380)   (Show Source): You can put this solution on YOUR website!
The perimeter of a rectangle is 36 m. The length is 3 m more than twice the width. Find the dimensions.

Step 1. The perimeter P means adding up all the four sides of a rectangle.

Step 2. Let w be the width.

Step 3. Let 2w+3 be the length since it is 3 more than twice the width

Step 4. Then, P=w+w+2w+3+2w+3=36.

Step 5. Solving yields the following steps

Solved by pluggable solver: EXPLAIN simplification of an expression
Your Result:


YOUR ANSWER


  • This is an equation! Solutions: w=5.
  • Graphical form: Equation was fully solved.
  • Text form: w+w+2w+3+2w+3=36 simplifies to 0=0
  • Cartoon (animation) form:
    For tutors: simplify_cartoon( w+w+2w+3+2w+3=36 )
  • If you have a website, here's a link to this solution.

DETAILED EXPLANATION

Look at .
Added fractions or integers together
It becomes .
Look at .
Moved 6 to the right of expression
It becomes .
Look at .
Eliminated similar terms highlight_red%28+w+%29,highlight_red%28+w+%29,highlight_red%28+2%2Aw+%29,highlight_red%28+2%2Aw+%29 replacing them with highlight_green%28+%281%2B1%2B2%2B2%29%2Aw+%29
It becomes .
Look at .
Added fractions or integers together
It becomes .
Look at .
Remove unneeded parentheses around factor highlight_red%28+6+%29
It becomes .
Look at .
Moved these terms to the left highlight_green%28+-36+%29
It becomes .
Look at .
Added fractions or integers together
It becomes .
Look at .
Removed extra sign in front of -30
It becomes .
Look at .
Solved linear equation highlight_red%28+6%2Aw-30=0+%29 equivalent to 6*w-30 =0
It becomes .
Result:
This is an equation! Solutions: w=5.

Universal Simplifier and Solver


Done!



For w=5 , then 2w+3=13 and P=2(5+13)=36 which is a true statement.

Step 6. ANSWER: The width is 5 meters and the length is 13 meters.

I hope the above steps were helpful.

For free Step-By-Step Videos on Introduction to Algebra, please visit http://www.FreedomUniversity.TV/courses/IntroAlgebra or for Trigonometry visit http://www.FreedomUniversity.TV/courses/Trigonometry.

And good luck in your studies!

Respectfully,
Dr J

drjctu@gmail.com

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