140 is 29.17% of 480.
Step 1: Translate the words into an equation.
140 | is | what percent | of | 480 |
140 | = | x | $ \cdot $ | 480 |
Step 2: Solve for $ x $.
$$ \begin{aligned} 140 &= x \cdot 480 \\[1.2 em] 480 \cdot x &= 140 \\[1.2 em] x &= \dfrac{ 140 }{ 480 } \\[1.2 em] x &= 0.2917 \end{aligned} $$Step 3: Express $ x $ as a percentage.
$$ x = 0.2917 = 0.2917 ~~\cdot~~ 100 \% = 29.17 \% $$