Question

quanto é 40 por cento de 222

Answer 1

x=222*40//100

x=8880/100

x=88,80

Resposta: 88,80

Answer 2

Observe o esquema abaixo :

$\mathsf{\dfrac{100}{40} =\dfrac{222}{X}} \\\\\\ \mathsf{100X = 222\cdot40} \\\\\\ \mathsf{100X = 8880} \\\\\\ \mathsf{X =\dfrac{8880}{100}} \\\\\\ \mathsf{X = 88,8}$

$\texttt{RESPOSTA~~:}$ 88,8