SOLUTION: it takes a painter A 3 hrs to paint a certain area of a hhouse.it takes painter B 5 hrs to do the same job.how long would it take them,working together,to do the painting job?
Algebra.Com
Question 118935: it takes a painter A 3 hrs to paint a certain area of a hhouse.it takes painter B 5 hrs to do the same job.how long would it take them,working together,to do the painting job?
Answer by checkley71(8403) (Show Source): You can put this solution on YOUR website!
3*5/(3+5)=15/8=1.875 HOURS WHEN THEY WORK TOGETHER.
RELATED QUESTIONS
It takes painter A 3 hours to paint a certain area of a house. It takes painter A 3 hours (answered by mananth,ikleyn)
It takes painter A 3 hours to paint a certain are of a house. It takes painter B 5 hours... (answered by Alan3354)
If i takes painter a 7 hours to paint a room and painter a & painter b 5 hours to paint... (answered by Boreal)
A painter can paint a certain house in 12 hours by herself but it takes her helper 15... (answered by ewatrrr)
It takes Painter A 10 hours to paint a room. It takes Painter B 6 hours to paint the same (answered by solver91311)
It takes one painter 20 hours longer to paint a house than it does a more experienced... (answered by richwmiller,josmiceli)
a painter can paint a house in 6 hours her assistant takes 8 hours to do the same job.... (answered by TimothyLamb)
One painter takes 6 hours longer to paint a room than does a second painter. Working... (answered by stanbon)
It takes one painter 20 hours longer to pain a hoise than it does a more experienced... (answered by josmiceli)