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    fizixx's Avatar
    fizixx Posts: 13, Reputation: 2
    New Member
    		  
    #1

    Feb 26, 2008, 04:58 AM
    Rate performing a task
    Hi everyone. My nephew wants to use the site so he is asking a question for the first time.

    Here's the question:

    It takes 7 hours for 2 workers to perform a certain construction job. How long will it take 4 workers to do the same job?

    :rolleyes:

    Thanks
    galactus's Avatar
    galactus Posts: 2,271, Reputation: 282
    Ultra Member
    		  
    #2

    Feb 26, 2008, 06:24 PM
    Think about it a little. 2 workers do it in 7 hours. Wouldn't it take 4 workers half that time?

    YOu can set up a proportion also.



    Solve for x.
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