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Mathematics, 09.04.2021 17:50, msjsnell29
In 1978, the amount of earnings required to earn one Social Security credit was $250. Thirty years later, in 2008, this amount was $1,150. What was the percent increase in the amount required to earn a credit, over this 30-year span? Use a percent sign .
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In 1978, the amount of earnings required to earn one Social Security credit was $250. Thirty years l...
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