Brianna B.

asked • 04/03/19

College algebra

The shares (in percents) of worldwide college enrollment U(t) and C(t) for the United States and China, respectively, can be modeled by the system:

U(t) = -.15t + 13

C(t) = t + 7.5

where t is the number of years since 2000. Estimate when the United State's share was equal to China's share. What was that share?

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