ReaganHeartsill ReaganHeartsill
  • 21-03-2014
  • Mathematics
contestada

How many numbers between 200 and 400 meet one or both of the conditions given in the two statements below?
Statement 1: The number begins with 3
Statement 2: The number ends with 3

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Аноним Аноним
  • 21-03-2014
There are 100 numbers that begin with 3. In the other 200, there are effectively a tenth ending in 3. That is, 120 total numbers.
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