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Mathematics, 03.08.2019 13:00 mrsburrus

From 1982 to 1992, the cost of manufacturing a pc has decreased by about the same percentage each year. the cost, c (in dollars), in year t can be modeled by c=3000(5/6) where t= 0 corresponds to 1982. find the ratio of the cost in 1990 to the cost in 1985.

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