jane takes 4 hours to do a job that Alice can do in 3 hours. if jane works 1/2 hour before Alice joins her, how long will it take the two of

Question

jane takes 4 hours to do a job that Alice can do in 3 hours. if jane works 1/2 hour before Alice joins her, how long will it take the two of them to finish the job

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Nick 3 years 2021-07-19T14:41:43+00:00 1 Answers 11 views 0

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  1. sori
    0
    2021-07-19T14:43:33+00:00
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    Answer:

    2.4 hours

    Step-by-step explanation:

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