9 is 17.34% of 51.9.
Step 1: Translate the words into an equation.
9 | is | what percent | of | 51.9 |
9 | = | x | $ \cdot $ | 51.9 |
Step 2: Solve for $ x $.
$$ \begin{aligned} 9 &= x \cdot 51.9 \\[1.2 em] 51.9 \cdot x &= 9 \\[1.2 em] x &= \dfrac{ 9 }{ 51.9 } \\[1.2 em] x &= 0.1734 \end{aligned} $$Step 3: Express $ x $ as a percentage.
$$ x = 0.1734 = 0.1734 ~~\cdot~~ 100 \% = 17.34 \% $$