Question

Joao comprou um carro por 35.000 apos 30 días vendeu tendo um lucro de 15% qual o valor do lucro obtido por joao

Answer 1

Para saber vamos aplicar a regra de 3 :

$\mathtt{~~~R\ ~~~~~~~~\%}} \\ \mathtt{35.000~~~~100} \\ \mathtt{~~~~x~~~~~~~~15} \\ \\ \mathtt{100x = 35.000~.~15} \\ \mathtt{100x =525.000 } \\ \mathtt{x = 525.100\div100} \\ \mathtt{x = 5.250} \\ \\ \\ \boxed{\boxed{\mathtt{Resposta: R\ ~5.250,00}}}$

Answer 2

Para saber vamos aplicar a regra de 3 :

$\mathtt{~~~R\ ~~~~~~~~\%}} \\ \mathtt{35.000~~~~100} \\ \mathtt{~~~~x~~~~~~~~15} \\ \\ \mathtt{100x = 35.000~.~15} \\ \mathtt{100x =525.000 } \\ \mathtt{x = 525.100\div100} \\ \mathtt{x = 5.250} \\ \\ \\ \boxed{\boxed{\mathtt{Resposta: R\ ~5.250,00}}}$