Question

la suma entre un numero y su 20% es igual a 30​

Answer 1

Hola!

Resolvemos.

$x + 20 = 30 \\ x + \frac{20}{100} = 30 \\ x + \frac{1}{5} = 30 \\ x = 30 - \frac{1}{5} \\ x = \frac{149}{5}$

Salu2!!

kiy_.