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06-11-2017
Mathematics

contestada

What is the 4 digit number in which the first digit is one-fifth of the last, and the second and third digits are the last digit multiplied by 3?

Respuesta :

15-11-2017

The last digit is 5, multiplied by 3 is 15, so 15 goes in the middle, so the number is 1155 The sum of the digits is 12 That checks: 1+1+5+5=12.

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