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3 March, 20:58

rob Feldman can do a job in 3 hours, while karen requires 7 hours. how long will it take them if they work together

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  1. 3 March, 21:53
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    4 total if it takes all day long for Karen and 3 for Feldman. You would have to subtract 7 from 3 to get 4 if they work together
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