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Calculate Average Percentage

Question

So you grow flies for a living! Yes, that’s right, it’s those big blue-bottom glow flies! They are in high demand at the local lab as test animals(?) and food for their other subjects. Man, can these things multiply. In order to keep up with demand, I must ‘harvest” 10% of my crop every day. Keeping a healthy population is the problem; some days its up, some days its down!

a) Over the past week, I noted that my population had increased by 30% on Monday; lost 10% on Tuesday; remained constant on Wednesday; increased 40% on Thursday and dropped 5% on Friday. See, I told you that keeping the population at a steady level is difficult. Over this work week, was I able to meet the demands of the lab?

b) I never checked my population for one whole week (7days) and no harvesting was done. I was surprised to see at the end of this week that the population had increased from 2,500,000 flies to 5,000,000 flies. Based on this information, if harvesting has been carried out, would the population have been sufficient to meet demands?

Summary

The question belongs to Statistics and it discusses about calculation of harvest of population of flies.

Total Word Count 65

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    Giuseppe

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