[tex]\bf \begin{array}{ccllll}
flour&pancakes\\
\textendash\textendash\textendash\textendash\textendash\textendash&\textendash\textendash\textendash\textendash\textendash\textendash\\
\frac{3}{4}&6\\\\
x&72
\end{array}\implies \cfrac{\frac{3}{4}}{x}=\cfrac{6}{72}\implies \cfrac{\frac{3}{4}}{\frac{x}{1}}=\cfrac{6}{72}
\\\\\\
\cfrac{3}{4}\cdot \cfrac{1}{x}=\cfrac{6}{72}\implies \cfrac{3}{4x}= \cfrac{6}{72}\implies 72\cdot 3=6\cdot 4x\implies 216=24x
\\\\\\
\cfrac{216}{24}=x[/tex]
and surely you know how much that is
