If t the possibilities the to win are 1/16,.then the possibilities to lose are 15/16
16/16-1/16=15/16
so every 15 of the 16 times they will raise 25 cents which is almost 100% of the times
Every15 of 16 times they will raise $15.But also they need to give away$5 price
so $10 every 15/16
