Auntie Fi’s dog Itchy has a million fleas. His anti-flea shampoo claims to leave no more than 1% of the original number of fleas after use. What is the least number of fleas that will be eradicated by the treatment?
Select one option, then click Submit.
900\ 000
990\ 000
999\ 000
999\ 990
999\ 999
Select an option, then submit.
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Intermediate Mathematical Challenge 2012 (2012)
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