Two thirds

Find two-thirds of the number equal to two-thirds of 99

Correct result:

x =  99

Solution:

$$\begin{gathered} 2\mathrm{/}3\cdot a=99 \\ 2a=297 \\ a={\displaystyle \frac{297}{2}}=148.5 \\ x={\displaystyle \frac{2}{3}}\cdot a={\displaystyle \frac{2}{3}}\cdot 148.5=99 \end{gathered}$$

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Math student

ive never done this before

2 years ago  Like

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