What percent

What percent of 51 3/5 is 47 2/5?

Correct answer:

p =  91.8605 %

Step-by-step explanation:

$$\begin{gathered} a=51+{\displaystyle \frac{3}{5}}={\displaystyle \frac{258}{5}}=51.6 \\ b=47+{\displaystyle \frac{2}{5}}={\displaystyle \frac{237}{5}}=47.4 \\ p=100\cdot {\displaystyle \frac{b}{a}}=100\cdot {\displaystyle \frac{47.4}{51.6}}={\displaystyle \frac{3950}{43}}=91.8605\mathrm{\%} \end{gathered}$$

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