SOLUTION: sam can mow a lawn in 6hrs, and Jim can mow the same lawn in 4hrs. How long will it take to mow the lawn if they work together?

Algebra ->  Rate-of-work-word-problems -> SOLUTION: sam can mow a lawn in 6hrs, and Jim can mow the same lawn in 4hrs. How long will it take to mow the lawn if they work together?      Log On


   

Question 303757: sam can mow a lawn in 6hrs, and Jim can mow the same lawn in 4hrs. How long will it take to mow the lawn if they work together?
Answer by scott8148(6628) About Me  (Show Source):
You can put this solution on YOUR website!
(x/4) + (x/6) = 1

3x + 2x = 12

x = 12/5 ___ 2 hr and 24 min