document.write( "Question 783659: Thank you for being free for one thing and just thank you for helping !!!!
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document.write( "My problem is that I can not break down word problems at all .\r
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document.write( "word problem : in a rectangle photo the width is 7cm less than the length if the perimeter of the photo is 34 cm find the length and width .\r
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document.write( "Now do that mean 7-34? or am I just slow ..\r
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document.write( "Once again THANK YOU WHO EVER YOU ARE !!!! \n" );
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Algebra.Com's Answer #476874 by jim_thompson5910(35256)![]() ![]() ![]() You can put this solution on YOUR website! Let L be the length and W be the width\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "It says that \"the width is 7cm less than the length\", so we know that W = L - 7\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "The formula for the perimeter of a rectangle is \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "P = 2L + 2W\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "P = 2L + 2(L - 7) ... plug in W = L - 7 (replace W with L - 7)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "34 = 2L + 2(L - 7) ... plug in P = 34 (the given perimeter)\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Now we solve for L\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "34 = 2L + 2(L - 7)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "34 = 2L + 2L - 14\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "34 = 4L - 14\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "34+14 = 4L\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "48 = 4L\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "4L = 48\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "L = 48/4\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "L = 12\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "The length is 12 cm.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Now turn to W = L - 7 and plug in L = 12\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "W = L - 7\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "W = 12 - 7\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "W = 5\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "And the width is 5 cm.\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |