Question

quanto é 20 % 237 reais

Answer 1

$237*20\% \\\\=237* \frac{20}{100} \\\\ = \frac{4740}{100} = 47,40$

Answer 2

$\dfrac{20}{x} = \dfrac{100}{237} \\ \\ \\ 100x = 20 * 237 \\ \\ 100x = 4740 \\ \\ \\ x = \dfrac{4740}{100} \\ \\ \\ => x = 47,40$