SOLUTION: 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

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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
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
This is the sum of the numbers between 1 and n where n is 30
That formula is (n*(n+1))/2=30*31/2=465