ReaganHeartsill ReaganHeartsill

20-03-2014
Mathematics

Answered

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

Answer :

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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