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(39617) (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.
.
.
.
Answer by solver91311(24713) (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:
y}{2y\,+\,8}\ =\ 9)
Solve for
John
My calculator said it, I believe it, that settles it
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