Answer:
132 tiles
Step-by-step explanation:
We would just take the average of 15% and 20% which would be 17.5% and we could round up to 18% so 18% of 111.8 is 20.124 and if you add them together you would get 131.9 and that rounds up to 132 tiles.
scale factor = 5
60/12 = 5!!
super easy:)
$51.36
18.1333%
I THINK this is the answer,