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Mathematics 13 Online
OpenStudy (anonymous):

I need help with this one. Please if you can and show me how to set up a question like this. Here is the question. The time t required to do a job varies inversely as the number of people P working. It takes 6 hrs for 9 volunteers to pick up trash from 1 mile of roadway. How long would it take 12 volunteers to complete the job?

OpenStudy (callisto):

|dw:1339987028037:dw| \[t_1P_1 = t_2 P_2\]\[6(9) = t(12)\]Solve t :)

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