Eliminating a disease suppose that in any given year, the number of cases of a disease is reduced by 20%. if there are 10,000 cases today, how many years will it take (a) to reduce the number of cases to 1000? (b) to eliminate the disease; that is, to reduce the number of cases to less than 1?

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18 October, 03:19

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Ibrahim Fields · Answer 1

A. in 11 years it will be reduced to 858.99, in 10 it will be reduced to 1,073.

b. 43 years