Question

If a recipe says 1/4 for 4 servings then how many cups will 8 serving be for?

Answer 1

$

\dfrac{1}{4}\dots4 \\

x\dots8 \\

\dfrac{\frac{1}{4}}{x}=\dfrac{4}{8} \\

\dfrac{1}{4x}=\dfrac{1}{2} \\

1=2x \\

x=\boxed{\dfrac{1}{2}}

$

Hope this helps.