document.write( "Question 962462: I need help with this word problem.\r
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document.write( "A rectangular corral is built against a cliff in such a way that only 150 feet of fencing is needed for the three sides. The width, w, of the corral is as shown. Which of the following would be an expression for the area of the enclosed rectangle?\r
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document.write( "The picture this word problem is referring to is here: http://mohandasmohandas.com/african1/Algebra1finalexam2004.pdf
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document.write( "page 22 question 64.\r
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document.write( "I think the answer is A. w(150-w), however I am not completely sure. \n" );
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Algebra.Com's Answer #588049 by hkwu(60)![]() ![]() You can put this solution on YOUR website! You're close. You're given that the width of one of the sides is w. You also know that you'll only be fencing three sides, not four, so you want to solve for the length of the rectangle. How can we do this? You know the perimeter, and you know that your fence has three sides. You know the width of the fence, so if we subtract the two widths, we'll be left with the length of the final side!\r \n" ); document.write( "\n" ); document.write( "Thus\r \n" ); document.write( "\n" ); document.write( "length = 150 - 2w\r \n" ); document.write( "\n" ); document.write( "As you probably know, area is length x width for a rectangle. Thus\r \n" ); document.write( "\n" ); document.write( "area = wl = w(150 - 2w)\r \n" ); document.write( "\n" ); document.write( "You were close. \n" ); document.write( " |