SOLUTION: you and your apprentice paint walls at a constant pace. you can paint a wall in 8 hours while your apprentice can paint the same wall in 12 hours. you and your apprentice start pai

Algebra ->  Rate-of-work-word-problems -> SOLUTION: you and your apprentice paint walls at a constant pace. you can paint a wall in 8 hours while your apprentice can paint the same wall in 12 hours. you and your apprentice start pai      Log On


   



Question 905005: you and your apprentice paint walls at a constant pace. you can paint a wall in 8 hours while your apprentice can paint the same wall in 12 hours. you and your apprentice start painting the wall at 10:30 am. at what time will the wall be completed? explain why?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
1%2F8+%2B+1%2F12+=+1%2Fx |Multiplying thru by 24x so as all denominators = 1
3x + 2x = 24
5x = 24
x = 24/5 = 4.8 hrs 0r 4hrs and 48min 0r 1hr 30min(NOON) + 3hr 18min
3:18pm job will be completed