document.write( "Question 1026579: River c is 200 miles longer Than river D. if the sum of their lengths is 5,550 miles what is the length of each river?
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Algebra.Com's Answer #641832 by ikleyn(52788) $\"\"$ $\"About$

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\n" ); document.write( "River c is 200 miles longer Than river D. if the sum of their lengths is 5,550 miles what is the length of each river?
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document.write( "The condition says that\r\n" );
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document.write( "C + D = 5550,   (1)\r\n" );
document.write( "C - D =  200.   (2)\r\n" );
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document.write( "Add these two equations (both sides). You will get\r\n" );
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document.write( "2C = 5550 + 200,\r\n" );
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document.write( "2C = 5750,\r\n" );
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document.write( "C =  = 2875 miles.\r\n" );
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document.write( "Having this, can you find D on your own?\r\n" );
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