Concept explainers
(a)
To calculate: The interval of two decades when the percentage of white-collar workers in the labor force was same as the percentage of blue-collar workers in the labor force based on the information of graph provided in the question.
(b)
To calculate: The year when the percentage of white-collar workers in the labor force was same as the percentage of blue-collar workers in the labor force. Also, evaluate the percent of white collar workers and the percentage of blue collar worker if the white-collar modele and blue model are
(c)
To calculate: The year when the percentage of white-collar workers same as the percentage of farmers based on the information of graph provided in the question.
(d)
To calculate: The year when the percentage of white-collar workers same as the percentage of farmers by solve the linear equation. Also evaluate the percentage of labor force consisting of white-collar workers and the percentage consisting of farmer if white-collar model and farming model are
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Algebra and Trigonometry
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