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sofia_smr

The very rigorous medical program at a local university has a 10% drop out rate for each year. If the school admits 1,000 freshmen, how many diplomas will need to be ordered 4 years later?

  • 2 years ago
  • 2 years ago

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  1. Confucious
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    just find 10% of 1000, then subtract it and find 10% of what's left, do that again 2 more times and you've got your answer

    • 2 years ago
  2. Confucious
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    so approximately 656 diplomas will need to be ordered

    • 2 years ago
  3. bluepig148
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    You can also see it as: 90% stay each year 90% = 0.9 Current year * 0.9 = next year You're doing it for four years, so you'll be multiplying it by 0.9 4 times. 1000 * 0.9 * 0.9 * 0.9 * 0.9 = 1000 * 0.9^4 approx = 656

    • 2 years ago
  4. sofia_smr
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    thanks guys ! can you help me out with another one?

    • 2 years ago
  5. Confucious
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    yh! bluepig's way is much easier and quicker

    • 2 years ago
  6. Confucious
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    post it

    • 2 years ago
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