document.write( "Question 1186311: the sum of three consecutive number is 18 \n" ); document.write( "

Algebra.Com's Answer #817202 by ikleyn(52824) $\"\"$ $\"About$

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\n" ); document.write( "the sum of three consecutive number is 18. $\"highlight%28Find_the_numbers%29\"$ .
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document.write( "The numbers are (n-1), n, and (n+1).\r\n" );
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document.write( "Their sum is  (n-1) + n + (n+1) = 3n\r\n" );
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document.write( "We are given  3n = 18.\r\n" );
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document.write( "Hence,  n = 18/3 = 6.\r\n" );
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document.write( "So, the numbers are  5, 6, 7.\r\n" );
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document.write( "Check their sum:  5 + 6 + 7 = 18.   ! Correct !.\r\n" );
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document.write( "You just found the numbers, and the problem is just solved (!)\r\n" );
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\n" ); document.write( "\n" ); document.write( "Memorize this method (!)\r
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\n" ); document.write( "\n" ); document.write( "Its idea is to consider the numbers AROUND the CENTRAL number.\r
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\n" ); document.write( "\n" ); document.write( "Then you easily obtain that this central number is exactly one third of the sum.\r
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\n" ); document.write( "\n" ); document.write( "As soon as you know it - - - you just know all three terms and the entire sequence ( ! )\r
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\n" ); document.write( "\n" ); document.write( "It is how MATH helps you solve problems CORRECTLY, quickly and elegantly ( ! ) ( ! )\r
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\n" ); document.write( "\n" ); document.write( "Happy learning with us ( ! )\r
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\n" ); document.write( "\n" ); document.write( "Come again soon ( ! )\r
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\n" ); document.write( "\n" ); document.write( "Next time, do not forget to ask your question in your post.\r
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\n" ); document.write( "\n" ); document.write( "To see many other similar and different solved problems, look into the lesson\r
\n" ); document.write( "\n" ); document.write( " - Problems with consecutive integer numbers; odd even consecutive integer numbers\r
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