SOLUTION: John can mow the yard in 4 hours alone. Howie can mow the yard in 3 hours alone. how long will it take them if they mow the yard together?

Algebra ->  Rate-of-work-word-problems -> SOLUTION: John can mow the yard in 4 hours alone. Howie can mow the yard in 3 hours alone. how long will it take them if they mow the yard together?      Log On


   



Question 524810: John can mow the yard in 4 hours alone. Howie can mow the yard in 3 hours alone. how long will it take them if they mow the yard together?
Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!

If A can do a job in x time periods, then A can do of the job in 1 time period. Likewise, if B can do the same job in y time periods, then B can do of the job in 1 time period.

So, working together, they can do



of the job in 1 time period.

Therefore, they can do the whole job in:



time periods.

John

My calculator said it, I believe it, that settles it
The Out Campaign: Scarlet Letter of Atheism