Answer:
the right answer is option B)4
First you do 50 - 32 an that equals 13, so your answer is 13
We know that the number of workers doubles every week.
This implies that the number of workers of the previous week is exactly half of the current one's.
So, it took 11 weeks for the factory to be at half capacity.
(-b±√(b²-4ac))/(2a)
