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Suma dintre treimea unui numar si numarul insusi este egala cu 28 .afla numarul.
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4 votes
Suma dintre treimea unui numar si numarul insusi este egala cu 28 .afla numarul.

User Dasha
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1 Answer

3 votes
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.
User Darwing
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