4)
[tex]\bf \cfrac{model}{tower}\qquad \cfrac{2}{25}=\cfrac{m}{160}[/tex]
solve for "m"
5)
[tex]\bf \textit{sprinkle park to parking lot}\quad \cfrac{drawing}{park}\qquad \cfrac{15}{60}\implies \cfrac{1}{4}
\\\\\\
\textit{playground to sprinkle park}\qquad \cfrac{drawing}{park}\qquad \cfrac{1}{4}=\cfrac{12}{p}[/tex]
solve for "p"
6)
[tex]\bf \begin{array}{ccllll}
cake&people\\
\text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\
1&18\\
x&108
\end{array}\implies \cfrac{1}{x}=\cfrac{18 }{108}[/tex]
solve for "x".
