Question

urgent !!!!!
 
Unui numar ii adaug doimea si treimea sa si obtin 77.Afla numarul.

Answer 1

$\hbox { Fie x-numarul cautat }$

$x+ \frac{x}{2}+ \frac{x}{3}= \frac{6x}{6}+ \frac{3x}{6}+ \frac{2x}{6}= \frac{11x}{6} = 77$ ⇒ $11x=77*6$ ⇒ $x= \frac{77*6}{11}=7*6$ 

$\boxed {x=42}$