document.write( "Question 1173561: Suppose apples are in the shape of a pyramid. On the top layer, there is 1 apple. On the second layer, there are 1+2 apples. On the third layer, there is 1+2+3 apples. On the fourth layer, there 1+2+3+4 apples. If there are N number of layers, how many apples are there in total? \n" ); document.write( "
Algebra.Com's Answer #798809 by ewatrrr(24785)\"\" \"About 
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document.write( "Hi,\r\n" );
document.write( "Pyramid of Apples\r\n" );
document.write( "On the top layer, there is 1 apple. On the second layer, there are 1+2 apples. On the third layer, there is 1+2+3 apples. On the fourth layer, there 1+2+3+4 apples.\r\n" );
document.write( "top  1 \r\n" );
document.write( "then 3  \r\n" );
document.write( "then 6\r\n" );
document.write( "then 10 (4th layer)  \"N%28N%2B1%29%2F2+=+10\"\r\n" );
document.write( "Each Layer has \"%28N%28N%2B1%29%29%2F2+\" Apples\r\n" );
document.write( "If there are N number of layers, how many apples are there in total?\r\n" );
document.write( "That would be the Sum of the Layers\r\n" );
document.write( "  \r\n" );
document.write( "N   \"N%28N%2B1%29%2F2%29\"     Multiplier             Tot\r\n" );
document.write( "1	1		     1                    1\r\n" );
document.write( "2	3   	             4/3                  4          \r\n" );
document.write( "3	6		     5/3                 10\r\n" );
document.write( "4	10		     6/3                 20\r\n" );
document.write( "\r\n" );
document.write( "Multiplier is (N+2)/3  \r\n" );
document.write( "\r\n" );
document.write( "SUM =  = \"%28N%28N%2B1%29%2F2%29%28%28N%2B2%29%2F3%29\"\r\n" );
document.write( "Wish You the Best in your Studies.\r\n" );
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