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4 November, 10:17

How are part-to-part ratios different from part-to-whole ratios?

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  1. 4 November, 11:48
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    Step-by-step explanation:

    Ratios can be of 2 types here:

    Part to Part

    and

    Part to Whole

    Part-to-Part ratios give the relationship between 2 distinct things/groups. Such as the ratio of male to female in a class, or ratio of water to sugar in a drink etc.

    Part-to-Whole ratios give the relationship between one group/thing to the whole population. Such as the ratio of male to total students in a class, or the ratio of cups of sugar to total cups of drinks etc.

    Note: If there are 2 parts in a population, we can essentially write 3 ratios. For example, the ratio of male to female in a class is 4 to 5. So in total there are 4+5 = 9 parts (whole). So we can say:

    ratio of male to total population is 4 to 9

    ratio of female to total population is 5 to 9

    Also,

    ratio of male to female (as stated before) is 4 to 5

    3 ratios.
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