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20-10-2014
Mathematics

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the ratio of adults to children is 7:3. based on this ration, if there was 370 people how many where children

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20-10-2014

In a ratio of 7:3, for every 7 adults you have 3 children. So 30% of the total are children. I.e. if you have 10 people .7 times (10) are adults or 7 and .3 times (10) are children or 3. So for 370 people, .3 times 370 are children, or 111.

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