Then 1 white, then 3 blue then 1 white
The correct selling price is about $20, and the likely mistake was the manager multiplied the $12 by .67 (the 67%), got about 8, and took that as the price instead of adding it to the original 12, which is what they were supposed to do.
0.45013 in scientific notation is: 4.5013 x 10-1
The answer would be 39/250000