Question

The ratio of 36 to x is equal to 20% of 9. Find x.

Answer 1

X=20

Explanation:

20% of 9 is 1.8, and 36/1.8 is 20

Answer 2

`\bf \begin{array}c \cline{1-1} \textit{a\% of b}\\ \cline{1-1} \\ \left( \cfrac{a}{100} \right)\cdot b \\\\ \cline{1-1} \end{array}~\hspace{5em}\stackrel{\textit{20\% of 9}}{\left( \cfrac{20}{100} \right)9}\implies \cfrac{9}{5} \\\\\\ \stackrel{\textit{ratio of 36 to`