Working together, Joe and Joanne finish a job in 2 hours. How long will it take Jeremy and Joe to finish the job? (1) Working alone and with

Question

Working together, Joe and Joanne finish a job in 2 hours. How long will it take Jeremy and Joe to finish the job? (1) Working alone and without breaks Joe takes 5 hours to finish the job, which is 400% as long as the time it takes Jeremy to finish the job. (2) Working alone and without breaks Joanne takes 10 hours to finish 3 times the job.

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Sadie 1 week 2021-09-13T16:29:27+00:00 1 Answer 0

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    2021-09-13T16:30:44+00:00

    Answer:

    Step-by-step explanation:

    Then Joe and Jeremy will do the job in one hour time

    Joe takes 5 hours to do the job  then in one hour time he does  1/5

    Joe takes 400% as long as the time it takes Jeremy to finish the job

    then       5 hours     400

                    x  ??         100         x = 5/4  

    So Jeremy will take 5/4 hours to do the job.

    Then in one hour working together Joe and Jeremy they will do

    1/5 + 1/ (5/4)     =    1/5  +  4/5   =  5/5   =  1

    Then Joe and Jeremy will do the job in one hour time

    And Joe and Joanne will do half job in one hour

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