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Math Help - Hourly rate.

  1. #1
    Junior Member
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    Hourly rate.

    Bob had a job cleaning the park. He was to be paid $60 when the work was done. If Bob works very fast he will be done quickly and his hourly rate will be high - but the opposite if he worked slowly, his hourly rate would be lower. Either way the Parks will pay him $60.00 Complete this table for Bobs different hourly rates worked.
    Attached Thumbnails Attached Thumbnails Hourly rate.-time-hour-rate.jpg  
    Last edited by 0110kim; June 18th 2009 at 03:47 PM.
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  2. #2
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    t times r is always 60. For each column that has only one number, divide 60 by that number to find the missing number:

    Code:
    Time, t (h)          1   2   5   10   15   24   30   60
    Hourly rate, r ($)  60  30  12    6    4  2.5    2    1

    01
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  3. #3
    BSI
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    For the third column:

    $60 / 5hr = $12/hr

    For the fourth column, let x be the time in hours. Then

    60/x = 6 -----> x = 60/6 = 10

    10 hours

    Same thing for the fifth column. Let x be the time in hours. Then

    60/x = 4 -----> x = 60/4 = 15

    15 hours

    For the sixth column:

    $60 / 24hr = $2.5/hr

    For the seventh column:

    $60 / 24hr = $2/hr

    Last column:

    $1 / hr
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