How would you price up this match race?

4/6 Memphis
11/10 Bob

1/2   Memphis King
15/8  Bob
200/1 Dead heat

memphis would break the clock if given a start so bob would have to run a 28.50 to win......i dont think he could do 28.50.....

so 1/3 memphis.....3/1 bob.....100/1 dead heat....