1. The problem statement, all variables and given/known data Here the gear B is fixed and C and D are on the same drive. If C has 100 teeth, B has 50, D has 50 and E has 200. Calculate the ratio of the gearbox. 2. Relevant equations 3. The attempt at a solution My attempt is uploaded as an attachment as putting tables in here is a bit of a mission, just wanted to see if what i have done is correct. Thanks a lot in advance!