SOLUTION: three people together can do certain job in three hours. Of one of them can the job in six hours and another can do it in ten hours, how long will the third person take do the job

Algebra ->  Rate-of-work-word-problems -> SOLUTION: three people together can do certain job in three hours. Of one of them can the job in six hours and another can do it in ten hours, how long will the third person take do the job       Log On


   

Question 885034: three people together can do certain job in three hours. Of one of them can the job in six hours and another can do it in ten hours, how long will the third person take do the job alone
Answer by josgarithmetic(39613) About Me  (Show Source):
You can put this solution on YOUR website!
The rates of all three combined are added when all three work together.

Person one, 1/6
Another, 1/10
Third person, 1/x

Those rates are JOB per HOUR.

All-Together, 1/3.

highlight%281%2F6%2B1%2F10%2B1%2Fx=1%2F3%29.
Solve for x.