Answer:
20 times
Step-by-step explanation:
Here is a chart:
3,13,23,30,31,32,33,34,35,36,37,38,39,43,53,63,73,83,93.
It appears 20 times. Hope this helps!
8 blue ties to 21 ties (8/21
You take the amount of blue ties and the put them over the total amount of ties (Blue + Grey + Black + Red)
124 tiles
2(20+40)
2(60)
120+4=124