Crossfit Games Open WOD 12.2

Proceed through the sequence below completing as many reps as possible in 10 minutes of:
45 pound Snatch, 30 reps
75 pound Snatch, 30 reps
100 pound Snatch, 30 reps
120 pound Snatch, as many reps as possible

91 Reps

Note: Used Rx'd weight for women.