Question

A child is creating a pyramid with building blocks. The top three levels include 4 blocks, 10 blocks, and 16 blocks.

Part 1: How many blocks would be needed for a pyramid 25 levels tall? (5 points)

Part 2: Use complete sentences to explain how a sum of an arithmetic series was applied. (4 points)

Answer 1

common difference of 6 :)

Answer 2

you know the initial, common difference and how many factors.

Answer 3

Would part 1 be 148 blocks?

Answer 4

@timo86m