Square to rectangle

What is the ratio of the area of a square of side x to the area of a rectangle of a rectangle of width 2 x and length 3

Result

r = (Correct answer is: x/6)

Step-by-step explanation:

$$\begin{gathered} S_1=x\cdot x=x^2 \\ {S}_2=2x\cdot 3=6x \\ r=S_1\mathrm{/}{S}_2 \\ r={\displaystyle \frac{x^2}{6x}} \\ r=x\mathrm{/}6 \end{gathered}$$

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