document.write( "Question 53421This question is from textbook
\n" ); document.write( ": The width of a rectangle is 6cm less than the length. A second rectangle, with a perimter of 54 cm is 3cm wider and 2 cm shorter than the first. What are the dimensions for each triangle? \n" ); document.write( "
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width of first rectangle = x
\n" ); document.write( "length of first rectangle = x+6\r
\n" ); document.write( "\n" ); document.write( "width of the second rectangle = x+3
\n" ); document.write( "length of second rectangle = x+4\r
\n" ); document.write( "\n" ); document.write( "\"2%28x%2B3%29+%2B+2%28x%2B4%29+=+54\"
\n" ); document.write( "\"2x+%2B+6+%2B+2x+%2B+8+=+54\"
\n" ); document.write( "\"4x+=+40\"
\n" ); document.write( "\"x+=+10\"\r
\n" ); document.write( "\n" ); document.write( "Substituting x:\r
\n" ); document.write( "\n" ); document.write( "width of first rectangle = x = 10 cm
\n" ); document.write( "length of first rectangle = x+6 = 16 cm\r
\n" ); document.write( "\n" ); document.write( "width of the second rectangle = x+3 = 13 cm
\n" ); document.write( "length of second rectangle = x+4 = 14 cm
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