Respuesta :

faizu
let the number be a ...

i.e ,70% of a =126 ..
=> 70/100 X a =126
=>7/10 a =126 
=>7 a = 126 X 10
=>7 a= 1260
=>a   = 1260/7 
     a  = 180 ..

Hope it helps !!!

antonio9990
[tex]70*x=126 \\ \\ \frac{70}{100} *x=126 \\ \\ \frac{7}{10}*x=126 \\ \\ x=126: \frac{7}{10} \\ \\ x=126* \frac{10}{7} \\ \\ x= \frac{1260}{7} \\\\ \boxed{x=180} \\\\\huge\text{The answer is x=180}[/tex]