Respuesta :

assuming is a rectangular driveway,


[tex] \bf \textit{area of a rectangle}\\\\
A=Lw~~
\begin{cases}
L=length\\
w=width\\[-0.5em]
\hrulefill\\
L=50\\
A=900
\end{cases}\implies 900=50w\implies \cfrac{900}{50}=w\implies 18=w [/tex]

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