document.write( "Question 868067: I am having trouble with the following questions, coult you help me?\r
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document.write( "If a building has six door to the outside how many different ways can you enter and leave? Also how many ways can you enter and leave by a different door?\r
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document.write( "Thank you in advance \n" );
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Algebra.Com's Answer #523983 by Edwin McCravy(20056)![]() ![]() You can put this solution on YOUR website! \r\n" ); document.write( "First problem:\r\n" ); document.write( "\r\n" ); document.write( "There are 6 ways to enter. \r\n" ); document.write( "\r\n" ); document.write( "For each of those 6 ways to enter there are 6 ways to leave,\r\n" ); document.write( "since the first problem states that you can leave by any door.\r\n" ); document.write( "\r\n" ); document.write( "So that's 6 times 6 or 36 ways.\r\n" ); document.write( " \r\n" ); document.write( "-----------------------------------\r\n" ); document.write( "\r\n" ); document.write( "Second problem:\r\n" ); document.write( "\r\n" ); document.write( "There are 6 ways to enter.\r\n" ); document.write( "\r\n" ); document.write( "For each of those 6 ways to enter there are only 5 ways to leave,\r\n" ); document.write( "since the second problem states that you must leave by a different door.\r\n" ); document.write( "\r\n" ); document.write( "So that's 6 times 5 or 30 ways.\r\n" ); document.write( "\r\n" ); document.write( "Edwin\n" ); document.write( " |