Plz help I don't know.
In a row of five squares, each square is to be colored either red, yellow, or blue, so that no two consecutive squares have the same color, and at lest three of the squares are red. How many ways are there to color the five squares?
+163 I could find 4 ways to order the squares
Red Blue Red Yellow Red
Red Yellow Red Yellow Red
Red Blue Red Blue Red
Red Yellow Red Blue Red
