vitielloshirley vitielloshirley
  • 25-02-2016
  • Mathematics
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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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Аноним Аноним
  • 25-02-2016

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.


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