Question

A grocer stacks cans in a square pyramid with

10 layers. The number of cans in each layer
makes a pyramidal sequence. How many
cans are in the pyramid?

Answer 1

if the bottom layer has 10 cans, then it would be 55

Explanation:

10 + 9 + 8 + 7 + 6 + 5 + 4 + 3 + 2 + 1 = 55