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5 January, 03:58

Fernando gave Maria the following puzzle: I am thinking of a number. I divide it by 3. Then I divide the result by 5. The final result is 8. What is my number?

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Answers (2)
  1. 5 January, 04:04
    0
    To find the number we do the inverse of division, and that's multiplication. We multiply 8 x 5 x 3 to get 120, that's our number. So Fernando is thinking of the number 120, and we can prove that it's correct by dividing 120 / 3 then the result divide it by 5 and we get 8.
  2. 5 January, 04:27
    0
    Simple, if you have the ending number as 8;

    You divided it by 5. So go in reverse, and multiply by 5.

    8*5=40

    Then, do the same thing again, you divided it by 3, so multiply by 3.

    40*3=120.

    Thus, the number that Fernando gave to Maria is 120.
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