4 machines can complete a job in 6 hours how long will it take 3 machines to complete the same jobs?

Discussion in 'Calculator Requests' started by math_celebrity, Jun 29, 2020.

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  1. math_celebrity

    math_celebrity Administrator Staff Member

    4 machines can complete a job in 6 hours how long will it take 3 machines to complete the same jobs?

    Set up a proportion of machines to hours where h is the number of hours that 3 machines take:
    4/6 = 3/h

    Type this proportion into our search engine and we get:
    h = 4.5
     

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