Question 92233
x=first prize value
5x/6=second prize value
(5x/6)(4/5)=third prize value 
x+5x/6+20x/30 
x+5x/6+2x/3
x(1+5/6+2/3)
x(6/6+5/6+4/6)
x(15/6)
x(2.5) or 2.5x