Answer:
Well considering it takes the experienced worker a total of 6 hours and the new worker a total of 12 it should be less than six.
If both work on the area they are familiar with it should only take about 4 to 5 hours but considering the new worker might not know where many things go or are supposed to be. It should take 5 hours.
Step-by-step explanation:
If there were any answers for a multiple choice question this might've been easier.
I'm sticking with 4 hours and about 30 mins.
Hope I helped and a brainliest is always appreciated.