Your pomposity and self importance is as maddening as it is unjustified..Every time I see your avatar now it's like a face palm type situation..I hope somewhere, sometime in your life somebody sprays a little napalm on you..
Your factoring and reducing the 'finish jobs' part...imagine that this was a number...for instance 2...you could factor that out and then reduce it to 1
finish job/ (finish job/24 + finish job/40 ) = X hours
finish job/finish job(1/24+1/40)=x hours
1/1(1/24+1/40) = x hours
1/(1/24+1/40) = x...