Question
19 is what percent of 45?
Answer
19 is 42.22% of 45.
Explanation
Step 1: Translate the words into an equation.
| 19 | is | what percent | of | 45 |
| 19 | = | x | $ \cdot $ | 45 |
Step 2: Solve for $ x $.
$$ \begin{aligned} 19 &= x \cdot 45 \\[1.2 em] 45 \cdot x &= 19 \\[1.2 em] x &= \dfrac{ 19 }{ 45 } \\[1.2 em] x &= 0.4222 \end{aligned} $$Step 3: Express $ x $ as a percentage.
$$ x = 0.4222 = 0.4222 ~~\cdot~~ 100 \% = 42.22 \% $$This page was created using
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