+0  
 
0
6
1
avatar+474 

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. How many ways are there to color the five squares, if there must be at least three yellow squares?

 Mar 1, 2024
 #1
avatar+128794 
+1

There cannot be more than 3 yelllow squares

 

Four ways

Y B Y R Y

Y R Y B Y

Y B Y B Y

Y R Y R Y

 

cool cool cool

 Mar 1, 2024

2 Online Users

avatar
avatar