document.write( "Question 543599: a rectangle has the length that is two thirds its width. If the perimeter of the rectangle is 40 meters, what is the length of the rectangle? \n" ); document.write( "
Algebra.Com's Answer #354895 by lmeeks54(111)\"\" \"About 
You can put this solution on YOUR website!
Let L = the length
\n" ); document.write( "Let W = the width
\n" ); document.write( "Let P = the perimeter
\n" ); document.write( "...
\n" ); document.write( "The formula for the perimeter of a rectangle is P = 2L + 2W
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\n" ); document.write( "Given:
\n" ); document.write( "P = 40 meters
\n" ); document.write( "L = 2/3W
\n" ); document.write( "...
\n" ); document.write( "Let's substitute the values for P and L into our formula for the perimeter and solve for W. After that, we can solve for L.
\n" ); document.write( "...
\n" ); document.write( "P = 2L + 2W = 40 m
\n" ); document.write( "2(2/3W) + 2W = 40
\n" ); document.write( "4/3W + 2W = 40
\n" ); document.write( "10/3W = 40
\n" ); document.write( "...
\n" ); document.write( "Multiply both sides by 3/10:
\n" ); document.write( "10/3W(3/10) = 40(3/10)
\n" ); document.write( "W = 12 m
\n" ); document.write( "...
\n" ); document.write( "L = 2/3W
\n" ); document.write( "L = 2/3(12)
\n" ); document.write( "L = 8 m
\n" ); document.write( "....
\n" ); document.write( "The answer to the question is L = 8 meters; however, it is best to always check your work.
\n" ); document.write( "...
\n" ); document.write( "P = 40 = 2(8) + 2(12)
\n" ); document.write( "40 = 16 + 24
\n" ); document.write( "40 = 40 checks
\n" ); document.write( "...
\n" ); document.write( "cheers,
\n" ); document.write( "Lee
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