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Mathematics 15 Online
OpenStudy (anonymous):

sterile fruit flies are used in an experiment where the proportion that survives at least t days is given by e^-0.15t. If the experiment begins with 200 fruit flies and are added at the rate of 5 per hour, how many flies are present 14 days after the start of the experiment. Please help!

OpenStudy (anonymous):

can anyone please help me

OpenStudy (fellowroot):

OpenStudy (anonymous):

thanks i didn't think to make an equation. Do you think though that instead of 5t it would be 120 t because t is in days and its 5 flies every hour? idk:D

OpenStudy (fellowroot):

I'm pretty sure its 5t because after each hour 5 flies are added. 1 hour = 5 flies, 2 hours = 10 fies, ect. So its 5t.

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