SOLUTION: Two companies working together can clear a parcel of land in 9 hours. Working alone, it would take Company A 8 hours longer to clear the land than it would Company B. How long wo

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Question 1162589: Two companies working together can clear a parcel of land in 9 hours. Working alone, it would take Company A 8 hours longer to clear the land than it would Company B. How long would it take Company B to clear the parcel of land alone? (Round your answer to the nearest tenth.)

Found 2 solutions by josgarithmetic, solver91311:
Answer by josgarithmetic(39630) About Me  (Show Source):
You can put this solution on YOUR website!
Time for company B to do the job alone, b.
Time for company A to do the one job alone, b+8.

1%2F%28b%2B8%29%2B1%2Fb=1%2F9
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Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!


If entity A can finish one complete job in time periods, and entity B can finish the same job i time periods, then A can complete of the job in one time period and B can complete of the job in one time period. So, working together, A and B can complete of the job in one time period. And therefore, working together, the two entities can complete the job in time periods.

In this case, and , so:



Solve for


John

My calculator said it, I believe it, that settles it