Question

O carro de joao consome 1 litros de gasolina a cada 10 quilometro percorrido para ir da sua casa ate o sitio,fica 63 quilometro , quantos o carro consome?

Answer 1

consumo= 10km/litro

em 63km o carro consome 63/10= 6,3 litros

Answer 2

$\Large\displaystyle\text{ \begin{gathered} \sf{ \frac{1}{x}=\frac{10}{63}} \end{gathered} }$

$\Large\displaystyle\begin{gathered} \sf{ 10x=63} \end{gathered}$

$\Large\displaystyle\text{ \begin{gathered} \sf{x=\frac{63}{10} } \end{gathered} }$

$\Large\displaystyle\text{ \begin{gathered} \boxed{\boxed{\sf{ x=6{,}3}}} \leftarrow \sf litros\, de \,combust\acute{i}vel\end{gathered} }$