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Mathematics

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The ratio of adults to children at a picnic is 4 to 5. The total number of people at the picnic is between 20 and 30. Write an equivalent ratio to find how many adults and children are at the picnic. Please show the steps! Thanks.

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[tex]4x-\ amount\ of\ adults\\5x-\ amount\ of\ children\\\\ 20<4x+5x<30\\\\ 20<9x<30\ \ \ | divide\ by\ 9\\\\ \frac{20}{9}

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