12 is 23.53% of 51.
Step 1: Translate the words into an equation.
12 | is | what percent | of | 51 |
12 | = | x | $ \cdot $ | 51 |
Step 2: Solve for $ x $.
$$ \begin{aligned} 12 &= x \cdot 51 \\[1.2 em] 51 \cdot x &= 12 \\[1.2 em] x &= \dfrac{ 12 }{ 51 } \\[1.2 em] x &= 0.2353 \end{aligned} $$Step 3: Express $ x $ as a percentage.
$$ x = 0.2353 = 0.2353 ~~\cdot~~ 100 \% = 23.53 \% $$