Tuesday, 11 December 2007

Q9 - compound Percentage change

9 One of my weasels (Eric) got fleas. He had 300 fleas, and they spread at a rate of 4.5% per day. How many fleas did Eric the weasel have after 9 days? (3 marks)
ANS = 300 x (1.045 to the power 9) = 445.82... :- 445 fleas.

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