Question

Do Meu salário Rs 1850,00 tive um desconto total de RS 292,30 .este desconto equivalente a quantos porcento do meu salário?​

Answer 1

Resposta:

$x=15,\!8\%$

Explicação passo-a-passo:

$\textrm{Regra de 3:}\\\\\\\dfrac{x}{100\%}=\dfrac{\textrm{R}\ 292,\!30}{\textrm{R}\ 1.850,\!00}\\\\\\\Rightarrow x=\dfrac{\textrm{R}\ 292,\!30\times100\%}{\textrm{R}\ 1.850,\!00}\\\\\\\Rightarrow x=\dfrac{29230}{1.850,\!00}\%\\\\\\\Rightarrow x=15,\!8\%$