SOLUTION: A crew will arrive in one week and begin filming a city for a movie. The mayor is desperate to clean the city streets before filming begins. Two teams are​ available, one tha
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Question 1117873: A crew will arrive in one week and begin filming a city for a movie. The mayor is desperate to clean the city streets before filming begins. Two teams are available, one that requires 200 hours and one that requires 300 hours. If the teams work together, how long will it take to clean all of the streets? Found 3 solutions by josgarithmetic, ikleyn, greenestamps:Answer by josgarithmetic(39617) (Show Source):
One team makes of the job per hour.
Another team makes of the job per hour.
Working together, the teams make = = = of the job per hour.
Hence, the two teams will make the job in 120 hours working together.
Solved and explained.
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It is a typical and standard joint work problem.