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Mathematics, 02.12.2019 19:20 naenaekennedybe

In 1990, 75% of all high school seniors had jobs. in 2010, 40% of all seniors had jobs. if there were 50 more seniors in 2010 than 1990 and there were a total of 403 jobs between both years, how many seniors were there in 1990? how many seniors had jobs in 2010

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