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Math Help - Percentages

  1. #1
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    Percentages

    Hello all

    I have just come across a percentage question that looks easy but when I tried to do it I found it difficult and therefore I was wondering if their is an easier way of doing it.

    The question is: How many more claims were made in 1997 than in 1992?

    A) 821
    B) 135
    C) 124
    D) 174

    The information is displayed in the table.

    Percentages-maths1.jpg

    Could anyone explain to me how you would go about doing this?

    Cheers
    Attached Thumbnails Attached Thumbnails Percentages-maths1.jpg  
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  2. #2
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    Re: Percentages

    Well I added the numbers for 1993, (720+246 = 966) to get the total number of claims for that year.

    It is a 15% increase on the previous year (1992) - so 966/115 (which is 115%) = 8.4 (which is 1% of 1992) then multiply that by 100 to get the number of claims made in 1992. (840)

    Then simply add the two figures for 1997 (428 + 547 = 975) to get the total for 1997 them just minus 1992 from that.

    975 - 840 = 135
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  3. #3
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    Re: Percentages

    let x = number of claims in 1992

    claims in 1993 were 15% greater than in 1992 ...

    1.15x = 966

    x = 840

    total number of claims in 1997 was 975 ...

    can you finish?
    Last edited by skeeter; July 3rd 2012 at 01:02 PM.
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  4. #4
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    Re: Percentages

    Excellent information...



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  5. #5
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    Re: Percentages

    Thank you very much guys. Great help!!
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