SOLUTION: if andrew can paint the house in 8 hours and pat can paint the house in 6 hours, how long will it take them to paint the house together?
Algebra ->
Rate-of-work-word-problems
-> SOLUTION: if andrew can paint the house in 8 hours and pat can paint the house in 6 hours, how long will it take them to paint the house together?
Log On
Question 549657: if andrew can paint the house in 8 hours and pat can paint the house in 6 hours, how long will it take them to paint the house together? Answer by mananth(16946) (Show Source):
You can put this solution on YOUR website! Painting the house 1 job
Andrew 8 hours
He does 1/ 8 job in 1 hour
Pat 6 hours
He does 1/ 6 of thejob in 1 hour
Together they will do 1/ 8 + 1/ 6
Together they will do 7/24 of the job in one hour
So they will take 3 3/ 7 hours
So they will take 3.43 hours
