Question
30 is what percent of 20?
Answer
30 is 150% of 20.
Explanation
Step 1: Translate the words into an equation.
| 30 | is | what percent | of | 20 |
| 30 | = | x | $ \cdot $ | 20 |
Step 2: Solve for $ x $.
$$ \begin{aligned} 30 &= x \cdot 20 \\[1.2 em] 20 \cdot x &= 30 \\[1.2 em] x &= \dfrac{ 30 }{ 20 } \\[1.2 em] x &= 1.5 \end{aligned} $$Step 3: Express $ x $ as a percentage.
$$ x = 1.5 = 1.5 ~~\cdot~~ 100 \% = 150 \% $$This page was created using
Percentage Calculator