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Anonymous Anonymous
  • 31-01-2016
  • Mathematics
Answered

suma dintre treimea unui numar si numarul insusi este egala cu 28 .afla numarul.

Verified Answer :

crisforp
crisforp crisforp
  • 01-02-2016

Let be x the number;

We have (1/3)*x + x = 28 ;

x/3 + 3x/3 = 84/3 ;

4x = 84;

x = 84 ÷ 4 ;

x = 21.

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