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If the product twice price cut by 25%, what percentage was price cut in total?

Correct answer:

p =  43.75 %

Step-by-step explanation:

$$\begin{gathered} q=1-{\displaystyle \frac{25}{100}}=0.75 \\ p=100\cdot (1-q^2)=100\cdot (1-0.75^2)=43.75\mathrm{\%} \end{gathered}$$

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