Question

tive 54 reais de desconto na mercadorias o qual era 6% desconto qual balor real da mercadoria

Answer 1

Devemos aplicar a regra de 3, utilizando os dados que temos :

$\mathtt{~~R\ ~~~~~~~~\%} \\ \mathtt{~~54~~~~~~~~6} \\ \mathtt{~~~x~~~~~~~100} \\ \\ \mathtt{Multiplicar~cruzado} \\ \\ \mathtt{6x = 54~.~100} \\ \mathtt{6x =5.400} \\ \mathtt{x = 5.400\div6} \\ \mathtt{x = 900} \\ \\ \\ \boxed{\boxed{\mathtt{Resposta: Valor~real ~de ~R\ ~900,00}}}$

Answer 2

Devemos aplicar a regra de 3, utilizando os dados que temos :

$\mathtt{~~R\ ~~~~~~~~\%} \\ \mathtt{~~54~~~~~~~~6} \\ \mathtt{~~~x~~~~~~~100} \\ \\ \mathtt{Multiplicar~cruzado} \\ \\ \mathtt{6x = 54~.~100} \\ \mathtt{6x =5.400} \\ \mathtt{x = 5.400\div6} \\ \mathtt{x = 900} \\ \\ \\ \boxed{\boxed{\mathtt{Resposta: Valor~real ~de ~R\ ~900,00}}}$