Solve the problem.In one report, the number n (in thousands) of people who earned a bachelor's degree in the sciences was modeled by the system n = 5.9t + 117.3 for women n = 1.9t + 121.3 for men,where t is the number of years since 1980. Find an expression for the difference (in thousands) between the number of women and the number of men who earned a bachelor's degree in the arts t years after 1980.

A. 15.6t - 238.6
B. 7.8t - 238.6
C. -111.4t - 119.4
D. 4t - 4


Answer: D

Mathematics

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