SOLUTION: It takes 8 painters 6 hours to paint the walls of a gymnasium. a. How many person-hours does this job require? b. How many hours will 12 painters take to paint the gymnasium?

Algebra ->  Rate-of-work-word-problems -> SOLUTION: It takes 8 painters 6 hours to paint the walls of a gymnasium. a. How many person-hours does this job require? b. How many hours will 12 painters take to paint the gymnasium?      Log On


   



Question 269152: It takes 8 painters 6 hours to paint the walls of a gymnasium.
a. How many person-hours does this job require?
b. How many hours will 12 painters take to paint the gymnasium?

Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
You can put this solution on YOUR website!
It takes 8 painters 6 hours to paint the walls of a gymnasium.
:
a. How many person-hours does this job require?
Person-hours??? Who comes up with these dumb terms??
:
8 * 6 = 48 MAN-hours, to do the job
:
b. How many hours will 12 painters take to paint the gymnasium?
:
Let x = no. of hours, when 12 men do the job
12x = 48
x = 48/12
x = 4 hrs to do the job