In 1990 the average cost for one year at a certain school was $1,800. Thirty years later, in 2020, the average cost was $13,700. What was the growth rate in cost over the 30-year period? Question 8Answer a. 12% b. 9% c. 6% d. 7% e. 8%
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- Initial cost (C0) = $1,800 (in 1990) - Final cost (C30) = $13,700 (in 2020) Show more…
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