Question

You need 1 1 4 114 cups of sugar to make 20 cookies. How many cups of sugar will you need to make 14 cookies?

Answer 1

`\bf \begin{array}{ccll} \stackrel{cups}{sugar}&cookies\\ \text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\ 114&20\\ s&14 \end{array}\implies \cfrac{114}{s}=\cfrac{20}{14}\implies \cfrac{114\cdot 14}{20}=s`