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Math Help - ratio help

  1. #1
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    Unhappy ratio help

    24 The label on a can of soup gives this
    nutritional information.

    Typical Values Per Per Can
    Energy 108Kcal
    Protein 3.2g
    Carbohydrate 22.4g
    Fat 0.8g
    Fibre 3.6g
    Sodium 1.2g
    What is the ratio of fat to fibre in the
    soup?

    A
    1 : 4

    B
    2 : 9

    C
    4 : 1

    D 9 : 2

    I've got the answer but don't know how to get it. Can someone please help me?

    Chris.
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  2. #2
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    Quote Originally Posted by csyrad View Post
    24 The label on a can of soup gives this
    nutritional information.


    Typical Values Per Per Can
    Energy 108Kcal
    Protein 3.2g
    Carbohydrate 22.4g
    Fat 0.8g
    Fibre 3.6g
    Sodium 1.2g

    What is the ratio of fat to fibre in the
    soup?
    A


    1 : 4
    B


    2 : 9
    C


    4 : 1
    D 9 : 2

    I've got the answer but don't know how to get it. Can someone please help me?

    Chris.

    0.8 : 3.6 \equiv 8 : 36 \equiv 2 : 9

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  3. #3
    Junior Member bebrave's Avatar
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    9:2 is wrong...
    because would there is more fat than fibre...
    (sorry my bad English)maybe you can understand me answer should be 2:9.


    edit:sorry MRF...Ididnt see your solution..
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  4. #4
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    thanks

    thanks for the answer, but how did you work it out???????
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  5. #5
    Junior Member bebrave's Avatar
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    Typical Values Per Per Can
    Energy 108Kcal
    Protein 3.2g
    Carbohydrate 22.4g
    Fat 0.8g
    Fibre 3.6g
    Sodium 1.2g

    Typical Values Per 100g Per can
    Energy 27kcal 108kcal
    Protein 0.8g 3.2g
    Carbohydrate 5.6g 22.4g
    Fat 0.2g 0.8g
    Fibre 0.9g 3.6g
    Sodium 0.3g 1.2g

    noted this
    Last edited by bebrave; May 6th 2009 at 06:00 AM.
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  6. #6
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    A "ratio" is a fraction. The "ratio of fat to fiber" is 0.8/3.6= 8/36 and now divide both numerator and denominator by 4: 8/36= 2/9. The ratio is 2:9.
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  7. #7
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    Unhappy thanks

    Thanks for replying but have you got a very easy way of doing ratios???

    There must be one...isn't there???
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  8. #8
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    Quote Originally Posted by csyrad View Post
    Thanks for replying but have you got a very easy way of doing ratios???

    There must be one...isn't there???
    There is nothing easier than what you've been shown. It may be that you need to revise and consolidate the basic arithmetic skills that the ratio questions build upon.
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