document.write( "Question 340828: The length of a rectangular landing strip exceeds its with by 3,700 feet. If its perimeter is 17,400 feet, what is the length, in feet, of the airfield?\r
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document.write( "(a) 2,500 (b) 5,000 (c) 6,200 (d) 10,000 (e) 13,700\r
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Algebra.Com's Answer #244142 by mananth(16946) You can put this solution on YOUR website! let width be x feet \n" ); document.write( "length = x+3700 \n" ); document.write( ".. \n" ); document.write( "Perimeter P = 2(L+W) \n" ); document.write( "17400= 2*(x+x+3700) \n" ); document.write( "17400/2 = 2x+3700 \n" ); document.write( "8700=2x+3700 \n" ); document.write( "8700-3700=2x \n" ); document.write( "5000 = 2x \n" ); document.write( "x= 5000/2 \n" ); document.write( "x= 2500 feet \n" ); document.write( "length will be x+ 3700 \n" ); document.write( "Length = 2500 + 3700=6200 feet \n" ); document.write( " |