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How many numbers between 0 and 100 are divisible by 9?

Published in Mathematics 1 min read

There are 11 numbers between 0 and 100 that are divisible by 9.

Here's how to determine that:

  • Identify the range: We're looking at numbers strictly between 0 and 100. This means we include numbers greater than 0 and less than 100.
  • Find the first multiple of 9: The first multiple of 9 within our range is 9 (9 x 1 = 9).
  • Find the last multiple of 9: The last multiple of 9 within our range is 99 (9 x 11 = 99).
  • Calculate the total count: Since the multiples of 9 are 9 x 1, 9 x 2, 9 x 3,... 9 x 11, there are 11 numbers in total.

Therefore, the numbers are: 9, 18, 27, 36, 45, 54, 63, 72, 81, 90, and 99.

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