SOLUTION: Joseph can finish a project in 10 hours and Aaron can do the same project in 8 hours. How long will it take to finish the project together? Thank you.

Question 273443: Joseph can finish a project in 10 hours and Aaron can do the same project in 8 hours. How long will it take to finish the project together?
Thank you.
Answer by solver91311(24713) (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

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