Question

x% din 160 = 128
x= ?

Answer 1

$x\% \times 160 = 128$

$\frac{x}{100} \times 160 = 128$

$\frac{x}{10} \times 16 = 128$

$\frac{x}{10} = \frac{128}{16}$

$\frac{x}{10} = 8$

$x = 8 \times 10$

$x = 80$

Verificare:

$\frac{80}{100} \times 160 = 0.8 \times 160 = 128$