2.6 is 8.39% of 31.
Step 1: Translate the words into an equation.
2.6 | is | what percent | of | 31 |
2.6 | = | x | $ \cdot $ | 31 |
Step 2: Solve for $ x $.
$$ \begin{aligned} 2.6 &= x \cdot 31 \\[1.2 em] 31 \cdot x &= 2.6 \\[1.2 em] x &= \dfrac{ 2.6 }{ 31 } \\[1.2 em] x &= 0.0839 \end{aligned} $$Step 3: Express $ x $ as a percentage.
$$ x = 0.0839 = 0.0839 ~~\cdot~~ 100 \% = 8.39 \% $$