SOLUTION: alma can do a job in 12 hours, after she had worked for 4 hours, she was joined by marie, and they finished the job together in 2 more hours. how long will it take marie to do the

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Question 986079: alma can do a job in 12 hours, after she had worked for 4 hours, she was joined by marie, and they finished the job together in 2 more hours. how long will it take marie to do the whole job?
Answer by josgarithmetic(39625)   (Show Source): You can put this solution on YOUR website!
Alma's rate    1/12
Alma and Marie   ?
Marie's rate     ?


Goal of the work is 1 job.

x is how much time Marie would need to do one job alone.

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