Question

Calculati cat la suta din 180 este 45

Answer 1

$\frac{x}{100} \times 180 = 45$

$\frac{18x}{10} = 45$

$\frac{9x}{5} = 45$

$9x = 45 \times 5$

$9x = 225$

$x = \frac{225}{9}$

$x = 25 \: \%$