[tex] \bf \begin{array}{ccll}
\stackrel{pasta}{grams}&people\\
\text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\
480&4\\
g&14
\end{array}\implies \cfrac{480}{g}=\cfrac{4}{14}\implies \cfrac{480}{g}=\cfrac{2}{7}
\\\\\\
\cfrac{480\cdot 7}{2}=g\implies 1680=g [/tex]
now, there are 1000 grams in one Kilogram, so in 1680 grams, there are 1680/1000 Kilograms, namely 1.680.
