document.write( "Question 1143024: a pyramid of empty cans has 30 blocks in the bottom row and one fewer can in each successive row thereafter.how many cans are there in the pyramid \n" ); document.write( "
Algebra.Com's Answer #763784 by Boreal(15235)\"\" \"About 
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This is the sum of the numbers between 1 and n where n is 30
\n" ); document.write( "That formula is (n*(n+1))/2=30*31/2=465
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