SOLUTION: Chad can deliver his newspaper in 30 minutes. It takes Cyril 20 minutes to do the same route.How long will it take to deliver the newspaper if they work together?

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Question 1186226: Chad can deliver his newspaper in 30 minutes. It takes Cyril 20 minutes to do the same route.How long will it take to deliver the newspaper if they work together?
Answer by josgarithmetic(39620) About Me  (Show Source):
You can put this solution on YOUR website!
Their rate together is sum of the individual rates.
1%2F30%2B1%2F20, unit of JOBS/MINUTE
2%2F60%2B3%2F60
5%2F60
1%2F12------------------Twelve Minutes, if they work together.