6 is 85.71% of 7.
Step 1: Translate the words into an equation.
| 6 | is | what percent | of | 7 |
| 6 | = | x | $ \cdot $ | 7 |
Step 2: Solve for $ x $.
$$ \begin{aligned} 6 &= x \cdot 7 \\[1.2 em] 7 \cdot x &= 6 \\[1.2 em] x &= \dfrac{ 6 }{ 7 } \\[1.2 em] x &= 0.8571 \end{aligned} $$Step 3: Express $ x $ as a percentage.
$$ x = 0.8571 = 0.8571 ~~\cdot~~ 100 \% = 85.71 \% $$