I think it is a Convience Sampling.
The correct sequence of events in protein synthesis is transcription, then translation.
There is a few ways to do this but I will do it the way that will be shown. You know that you must split the clothing into 4 pieces because 1+3=4
So divide 48 by 4 which is 12. Now multiply 12 by each ration.
12×1=12
12×3=36
12+36=48 which means its right
So the ratio is 12:36
I believe it takes 1 3/5 hrs for them to finish the job together