Question

o carro de de joao consome 1 litro de gasoina a cada 10 quilometros percorridos. para ir da sua casa ao sitio, que fica distante 63 quilometros, o carro consome:

Answer 1

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

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

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

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