Question

what percent of 13.5 is 12.1

Answer 1

Let:

a = 13.5

b = 12.1

x = unknown percent

so:

$\begin{gathered} ax=b \\ 13.5x=12.1 \\ solve_{\text{ }}for_{\text{ }}x\colon \\ x=\frac{12.1}{13.5} \\ x\approx0.896 \end{gathered}$

Answer:

89.6%