SOLUTION: 21. If carol can finish a job in 5 hours and Steve can finish the same job in 10 hours, how many minutes will it take both of them together to finish the job?
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Question 739502: 21. If carol can finish a job in 5 hours and Steve can finish the same job in 10 hours, how many minutes will it take both of them together to finish the job?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Carol's rate:
( 1 job ) / ( 5 hrs )
Steve's rate:
( 1 job ) / ( 10 hrs )
----------------
Add their rates of working to get rate
working together
Multiply both sides by
hrs
Convert to minutes
It will take them 200 min working together
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