SOLUTION: Bob the bricklayer can complete a stone wall in 8 hours. Butch the bricklayer can finish the wall in 5 hours. If the two work together on the wall, how long will it take them to co

Question 123221: Bob the bricklayer can complete a stone wall in 8 hours. Butch the bricklayer can finish the wall in 5 hours. If the two work together on the wall, how long will it take them to complete it?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
You want to add their rates of working to get their
combined rate. In words:
(1 wall / 8 hours) + (1 wall / 5 hours) = 1 wall / x hours

multiply both sides by

hrs
hrs = minutes
So, working together, they can finish in about 3 hrs 4.6 minutes
RELATED QUESTIONS
an experienced bricklayer can construct a small wall in 3 hours. If him and his... (answered by checkley77)

1)An Experienced bricklayer can construct a small wall in 5 hours. The apprentice can... (answered by josmiceli)

An experienced bricklayer can construct a small wall in 3 hours. An apprentice can... (answered by John10)

An experienced bricklayer can construct a small wall in 2 hours. An apprentice can... (answered by nyc_function,nerdybill)

An experienced bricklayer can construct a small wall in 6 hours. An apprentice can... (answered by robertb)

An experienced bricklayer can construct a small wall in 2 hours. An apprentice can... (answered by josmiceli)

An experienced bricklayer can construct a small wall in 6 hours. An apprentice can... (answered by richwmiller)

An experienced bricklayer can construct a small wall in 4 hours. An apprentice can... (answered by ptaylor)

An experienced bricklayer can build a wall three times as fast as an apprentice... (answered by josgarithmetic)