Can someone give me a full solution? Thanks!

A 6'' by 6'' grid made from 1'' pieces of wire glued together at their ends is shown here. How many pieces of wire would be required to create a similar 10'' by 10'' grid?

https://latex.artofproblemsolving.com/2/5/1/2515356e09f40809d93d332f2cc2074831a6ed15.png

tertre Feb 12, 2018