Hello below i have a question i am stuck on and would really appreciate if you could assist me with it, please show me in details and i will give you props as i really appreciate your help and effort but please make sure its clear and understandable for me to do please. it should be very clear thank you so much!!!

Consider a game where a fair, 10-sided die is rolled and the player wins x dollars if it lands 1-8, nothing otherwise. Sam regards the following prices as fair. 0 If the winning amount is x = 100 dollars, Sam's fair price is $40. a If the winning amount is x = 40 dollars, Sam's fair price is $20. Assume Sam follows the expected utility formula and has utilities U($0)=0 and U($100)=1. What is U($20) for Sam