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Math Help - costs

  1. #1
    MistressAllure
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    Wink costs

    Need help with this one:


    By what percent did supply costs increase from 1990 to 1991 if the total cost for 1990 was 8.2 million and total cost for 1991 was 10.6 million?

    Please explain
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  2. #2
    is up to his old tricks again! Jhevon's Avatar
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    Quote Originally Posted by MistressAllure View Post
    Need help with this one:


    By what percent did supply costs increase from 1990 to 1991 if the total cost for 1990 was 8.2 million and total cost for 1991 was 10.6 million?

    Please explain
    we increased by 10.6 - 8.2 = 2.4 million

    now we need to find what percentage of 8.2 million is 2.4 million.

    now, \mbox{Percentage Change } = \frac {\mbox{Difference between Old and New Amount}}{\mbox{Original Amount}} \times 100
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