In 20 minutes find a 1RM in the following complex:
Power clean + Hang squat Clean + Jerk

 

then

 

CrossFit Open Workout 13.4
7 Minute AMRAP
135/95 pound Clean and jerk, 3 reps
3 Toes-to-bar
135/95 pound Clean and jerk, 6 reps
6 Toes-to-bar
135/95 pound Clean and jerk, 9 reps
9 Toes-to-bar
135/95 pound Clean and jerk, 12 reps
12 Toes-to-bar
135/95 pound Clean and jerk, 15 reps
15 Toes-to-bar
135/95 pound Clean and jerk, 18 reps
18 Toes-to-bar…

*continue adding 3 reps per round*