+333 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
+310 Horizontally, there are 10*10 pieces of wire.
Vertically, there are also 10*10 pieces of wire.
In all, it'll take 100 + 100 = 200 pieces of wire.
+310 Oh, sorry!
There are 10*11 horizontal wires and 10*11 vertical wires.
So 110 + 110 = 220 wires in all.
